{"id":986,"date":"2021-07-15T06:49:53","date_gmt":"2021-07-15T11:49:53","guid":{"rendered":"https:\/\/www.knownhost.com\/kb\/?p=986"},"modified":"2021-11-18T07:22:23","modified_gmt":"2021-11-18T13:22:23","slug":"dns-records-explained","status":"publish","type":"post","link":"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/","title":{"rendered":"DNS Records Explained"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 ez-toc-wrap-right counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #212121;color:#212121\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #212121;color:#212121\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#most_popular_dns_records\" >Most Popular DNS Records<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#comprehensive_list_of_dns_records\" >Comprehensive List of DNS Records<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#a\" >A<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#aaaa\" >AAAA<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#afsdb\" >AFSDB<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#alias\" >ALIAS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#amtrelay\" >AMTRELAY<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#apl\" >APL<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#atma\" >ATMA<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#avc\" >AVC<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#axfr\" >AXFR<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#caa\" >CAA<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#cdnskey\" >CDNSKEY<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#cds\" >CDS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#cert\" >CERT<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#cname\" >CNAME<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#csync\" >CSYNC<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#dhcid\" >DHCID<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#dlv\" >DLV<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#dname\" >DNAME<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#dnskey\" >DNSKEY<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#doa\" >DOA<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#ds\" >DS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#eid\" >EID<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#eui48\" >EUI48<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#eui64\" >EUI64<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#gid\" >GID<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#gpos\" >GPOS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#hinfo\" >HINFO<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#hip\" >HIP<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#ipseckey\" >IPSECKEY<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#isdn\" >ISDN<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#ixfr\" >IXFR<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#kx\" >KX<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#l32\" >L32<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#l64\" >L64<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#loc\" >LOC<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-38\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#lp\" >LP<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-39\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#maila\" >MAILA<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-40\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#mailb\" >MAILB<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-41\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#mb\" >MB<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-42\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#md\" >MD<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-43\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#mf\" >MF<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-44\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#mg\" >MG<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-45\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#minfo\" >MINFO<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-46\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#mr\" >MR<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-47\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#mx\" >MX<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-48\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#naptr\" >NAPTR<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-49\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#nid\" >NID<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-50\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#nimloc\" >NIMLOC<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-51\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#ninfo\" >NINFO<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-52\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#ns\" >NS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-53\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#nsap\" >NSAP<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-54\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#nsec\" >NSEC<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-55\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#nsec3\" >NSEC3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-56\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#nsec3param\" >NSEC3PARAM<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-57\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#null\" >NULL<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-58\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#openpgpkey\" >OPENPGPKEY<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-59\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#opt\" >OPT<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-60\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#ptr\" >PTR<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-61\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#px\" >PX<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-62\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#rkey\" >RKEY<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-63\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#rp\" >RP<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-64\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#rrsig\" >RRSIG<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-65\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#rt\" >RT<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-66\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#sig\" >SIG<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-67\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#sink\" >SINK<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-68\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#smimea\" >SMIMEA<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-69\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#soa\" >SOA<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-70\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#spf\" >SPF<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-71\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#srv\" >SRV<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-72\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#sshfp\" >SSHFP<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-73\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#svcb\" >SVCB<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-74\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#talink\" >TALINK<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-75\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#tkey\" >TKEY<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-76\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#tlsa\" >TLSA<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-77\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#tsig\" >TSIG<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-78\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#txt\" >TXT<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-79\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#uid\" >UID<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-80\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#uinfo\" >UINFO<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-81\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#unspec\" >UNSPEC<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-82\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#uri\" >URI<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-83\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#wks\" >WKS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-84\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#x25\" >X25<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<p>Domain Name System (DNS) records are used to translate and store information relating to web hosting such as website IP addressing, domain name and subdomains associated, web servers, mail servers and a range of other resources that you wish to access or have accessed by others.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.cloudflare.com\/learning\/dns\/what-is-dns\/\">Name Servers<\/a> are used to respond to requests, keep track of key information and generally manage the operational aspects of\u00a0DNS\u00a0requests.<\/p>\n\n\n\n<p>Below is a comprehensive list of&nbsp;DNS&nbsp;records being used at this time. Keep in mind that many of these aren&#8217;t common, but can be used if required.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"most_popular_dns_records\"><\/span>Most Popular DNS Records<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The most common records in use include A, CNAME, MX, NS, SOA and TXT. All are explained below.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"comprehensive_list_of_dns_records\"><\/span>Comprehensive List of DNS Records<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"a\"><\/span>A<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>address records that map domain names to IPv4 IP addresses<\/li><li>domains can have single domain names mapped to multiple IP addresses<\/li><li>single IP addresses can have multiple domains mapped to them<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"aaaa\"><\/span>AAAA<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>address records that map domain names to IPv6 IP addresses<\/li><li>as with A records, one to many and many to one mapping is allowed<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"afsdb\"><\/span>AFSDB<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>address records that map domain names to an Andrew File System Database server<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"alias\"><\/span>ALIAS<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>address records used to map apex domains (domain.tld without subdomains)<\/li><li>similar to CNAME (though CNAME can only be used on subdomains)<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"amtrelay\"><\/span>AMTRELAY<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>used for reverse IP Automatic Multicast Tunneling discovery<\/li><li>advertises a set of AMT relays for receiving and forwarding multicast traffic<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"apl\"><\/span>APL<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Address Prefix List resolution and sharing<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"atma\"><\/span>ATMA<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>maps domain names to Asynchronous Transfer Mode Addresses<\/li><li>ATM addresses can be E.164 or NSAP (decimal or hexadecimal) formats<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"avc\"><\/span>AVC<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>used for application metadata relating to Application Visibility and Control<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"axfr\"><\/span>AXFR<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>as a part of the&nbsp;DNS&nbsp;transaction process for domain transfers<\/li><li>AXFR is a&nbsp;DNS&nbsp;query type which, when combined with certain values, corresponds to steps in the domain transfer process\/exchange<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"caa\"><\/span>CAA<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>the Certification Authority Authorization (CAA) identifies which certificate authorities are permitted to issue certs for a given domain<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"cdnskey\"><\/span>CDNSKEY<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>a Child DNSKey or CDNSKEY is a record used in the signaling of secure entry points in the process of establishing, modifying or deleting DS records<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"cds\"><span class=\"ez-toc-section\" id=\"cds\"><\/span>CDS<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>a Child DS record is used for signaling changes for a zone DNSSEC status<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"cert\"><\/span>CERT<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>enabling&nbsp;DNS&nbsp;to store and maintain certificate information, CERT resource records relate to certificates and certificate revocation lists<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"cname\"><\/span>CNAME<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Canonical NAME records are used to map subdomain resources to their respective domains (which will also have A records to map primary domain.tld to respective IP addresses<\/li><li>enables domain moves to new IP addresses using just A record changes, without need to change all the subdomain mapping as well<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"csync\"><\/span>CSYNC<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Child SYNC or CSYNC records enable change notices to be sent from child&nbsp;DNS&nbsp;operators to their respective parents, notifying them of changes needing to be made<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"dhcid\"><\/span>DHCID<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Dynamic Host Configuration ID records are used to associate DHCP clients with their domain names<\/li><li>typically only updated via DHCP clients and servers, not via&nbsp;DNS&nbsp;zone edits manually<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"dlv\"><\/span>DLV<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>DNSSEC Lookaside Validation records are formatted as DS records and are used for DNSSEC public-key validation chains which can be published outside of tradition&nbsp;DNS&nbsp;validation chains, appearing at the zone apex<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"dname\"><\/span>DNAME<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>DNS&nbsp;Name redirection records, or DNAME, enable entire subtree redirection of one domain to another<\/li><li>whereas an A, AAAA or Alias allows apex domains to be pointed elsewhere, a DNAME record allows all subdomains of one domain to be associated with all subdomains on another domain (such as mail.domain1.com and&nbsp;<a href=\"ftp:\/\/ftp.domain1.com\/\">ftp.domain1.com<\/a>&nbsp;being associated with mail.domain2.com and&nbsp;<a href=\"ftp:\/\/ftp.domain2.com\/\">ftp.domain2.com<\/a>&nbsp;&#8211; all by simply setting one DNAME record, thus associating all subdomains)<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"dnskey\"><\/span>DNSKEY<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>holding a public key, the DNSKEY record can be used by resolvers to verify DNSSEC key signatures<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"doa\"><\/span>DOA<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Digital Object Architecture over&nbsp;DNS&nbsp;maps objects and object resources to handles,&nbsp;URI&nbsp;and related resource details<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ds\"><\/span>DS<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Delegation Signer records reference DNSKEY-records and include details about the key algorithm, digest-type and digest<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"eid\"><\/span>EID<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Endpoint Identifier records are used in Nimrod Routing Architecture for uniquely identifying the node<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"eui48\"><\/span>EUI48<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>used to encode ethernet addresses in&nbsp;DNS, EUI48 records are 48-bit Extended Unique Identifiers that specify layer-2 addressing details<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"eui64\"><\/span>EUI64<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>used to encode ethernet addresses in&nbsp;DNS, EUI64 records are 64-bit Extended Unique Identifiers that specify layer-2 addressing details<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"gid\"><\/span>GID<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Group IDentifier information maintained and encoded via&nbsp;DNS<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"gpos\"><\/span>GPOS<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Geographical POSition information (being replaced by LOC records)<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"hinfo\"><\/span>HINFO<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>containing Host INFOrmation, HINFO records store host software and hardware details<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"hip\"><\/span>HIP<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Host Identity Protocol records store the Host Identity, Host Identity Tag and the respective Rendezvous Servers domain names<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ipseckey\"><\/span>IPSECKEY<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>contains the IPsec KEY &#8211; the public key associated with a domain name<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"isdn\"><\/span>ISDN<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>maps an Integrated Services Digital Network telephone number to a domain name<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ixfr\"><\/span>IXFR<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Incremental Zone Transfer<\/li><li>see AXFR<\/li><li>used for updating zone information on newer&nbsp;DNS&nbsp;implementations<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"kx\"><\/span>KX<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>specifies the Key eXchanger for use in cryptographic key management<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"l32\"><\/span>L32<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>used for specifying 32-bit Locator records<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"l64\"><\/span>L64<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>used for specifying 64-bit Locator records<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"loc\"><\/span>LOC<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>by storing WGS84 latitude, longitude and altitude information, LOCation records enable resources to be associated with geographical location information<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"lp\"><\/span>LP<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>used as a Locator Pointer for L32 and L64 records, LP holds network name information used with ILNP<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"maila\"><\/span>MAILA<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>MAIL Agent records being replaced by MX records<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"mailb\"><\/span>MAILB<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>MAIL Box records being replaced by MX records<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"mb\"><\/span>MB<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Mail Box records which map a mailbox to a host server<\/li><li>requires a valid A record for the zone<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"md\"><\/span>MD<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Mail Destination records being replaced with MX records<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"mf\"><\/span>MF<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Mail Forwarder records being replaced with MX records<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"mg\"><\/span>MG<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Mail Group member records used to associate boxes&nbsp;MB&#8217;s with a group<\/li><li>requires a valid&nbsp;MB&nbsp;for each MG member<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"minfo\"><\/span>MINFO<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Mailbox INFOrmation records specify who is responsible for a box, group or list<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"mr\"><\/span>MR<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Mailbox Redirection records map an existing mailbox address to a new address<\/li><li>also known as Mailbox Rename<\/li><li>acts as a forwarder from one mailbox to another<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"mx\"><\/span>MX<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Mail eXchange records maps mail subdomain to an apex domain<\/li><li>can specify multiple servers and their relative priority in the list<\/li><li>must point to A or AAAA records, not CNAME records<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"naptr\"><\/span>NAPTR<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>the Name Authority Pointer record is typically used to convey IP telephony details (such as with SIP) relating to your domain supporting VOIP\/SIP and details about ports and protocols used<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"nid\"><\/span>NID<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>DNS&nbsp;Node Identifiers (NID records) hold values for ILNP-capable nodes under a new internet architecture approach<\/li><li>ideally suited for mobile nodes, devices and networks presented on Identifier Locator Network Protocol implementations<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"nimloc\"><\/span>NIMLOC<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>used for location information storage and retrieval in Nimrod Routing Architecture deployments<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ninfo\"><\/span>NINFO<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>designed to convey domain status information<\/li><li>uses TXT record format<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ns\"><\/span>NS<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>NameServer (NS) records identify what nameservers are to be used in resolving&nbsp;DNS&nbsp;queries about a given domain<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"nsap\"><\/span>NSAP<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Network Service Access Point addressing information is done via NSAP records and are most commonly used in ConnectionLess Network Protocol routing detail queries<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"nsec\"><\/span>NSEC<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>used in DNSSEC validation, a Next SECure record will store the address of the next record name in the zone<\/li><li>generally used to identify that a record doesn&#8217;t exist<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"nsec3\"><\/span>NSEC3<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>like NSEC, Next SECure record 3 records serve the same function as NSEC but differ by being cryptographically hashed names to prevent the clear text presenting of record names in the zone<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"nsec3param\"><\/span>NSEC3PARAM<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>accompanying NSEC3, Next SECure record 3 PARAMeters are used to include additional detailed information<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"null\"><\/span>NULL<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>placeholders for experimental protocols or as part of&nbsp;DNS:Tunnel, NULL is an empty space<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"openpgpkey\"><\/span>OPENPGPKEY<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>used for delivery of PGP public keys for email addresses<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"opt\"><\/span>OPT<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>a pseudo-key, OPT records don&#8217;t actually contain&nbsp;DNS&nbsp;data, but instead are used to pass control information during a&nbsp;DNS&nbsp;question\/answer exchange<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ptr\"><\/span>PTR<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>used for reverse&nbsp;DNS&nbsp;lookups, PoinTeR records provide a map from domain name to IP addresses so that requests can query via IP address and get a domain name as a result<\/li><li>the opposite of A records which can handle query via domain name to provide IP addresses<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"px\"><\/span>PX<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>designed for use in X.400 (RFC822) mapping<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"rkey\"><\/span>RKEY<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>used for storing keys that encrypt NAPTR records, protocol, algorithm and key data are contained in these resource records<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"rp\"><\/span>RP<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Responsible Person records store the identity information of the person responsible for a particular domain name<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"rrsig\"><\/span>RRSIG<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>acting as storage for a DNSSEC signature across a record set, RRSIG records work in conjunction with DNSKEY public keys<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"rt\"><\/span>RT<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Route Through records delineate intermediate hosts used to route to the final destination host<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"sig\"><\/span>SIG<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>SIGnature or SIGning records, SIG records are used to authenticate exchanges (DNS&nbsp;requests) so that the requester can be sure it&#8217;s communicating with the server queried (intended to communicate with)<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"sink\"><\/span>SINK<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>the kitchen SINK record has historically been used as a lump and dump storage facility for handling miscellaneous data that couldn&#8217;t be conveniently stored and queried using other record types<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"smimea\"><\/span>SMIMEA<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>associated email addresses with end entity certificates or public keys<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"soa\"><\/span>SOA<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Start of Authority records contain administrative details about a zone and are typically used as part of the zone transfer process<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"spf\"><\/span>SPF<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Sender Policy Framework records are TXT records containing details about what hostnames and IP addresses are authorized to send email for a domain<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"srv\"><\/span>SRV<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>SeRVice records specify hostname and port for detailing servers associated with particular services<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"sshfp\"><\/span>SSHFP<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Secure SHell Fingerprint records spell out the SSH keys associated with a given hostname<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"svcb\"><\/span>SVCB<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>SerViCe Binding records allow requests to find associated multiple network locations for a given origin<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"talink\"><\/span>TALINK<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Trust Anchor LINK records have been used to connect two domain names<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"tkey\"><\/span>TKEY<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Transaction KEY records are a part of the exchanging of secret keys<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"tlsa\"><\/span>TLSA<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>the TLS Authentication record makes an association between domain name and a TLS server certificate or key<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"tsig\"><\/span>TSIG<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>a Transaction SIGnature record confirms the validity of&nbsp;DNS&nbsp;database changes<\/li><li>often used with dynamic&nbsp;DNS&nbsp;or with slave\/secondary&nbsp;DNS&nbsp;server systems<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"txt\"><\/span>TXT<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>TeXT records enable storing of miscellaneous information associated with a given hostname<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"uid\"><\/span>UID<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>used for storing User ID information<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"uinfo\"><\/span>UINFO<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>User INFO records are much like TXT records and can store arbitrary info associated with a domain<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"unspec\"><\/span>UNSPEC<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>UNSPECified records store information that&#8217;s not conveniently stored elsewhere<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"uri\"><\/span>URI<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Uniform Resource Indicator records store precisely that<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"wks\"><\/span>WKS<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Well Known Services records spell out protocols that are to be supported at a particular address<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"x25\"><\/span>X25<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>used for mapping Public Switched Data Networks to particular addresses<\/li><li>often implemented for specifying secure circuit endpoints on PSTN connections<\/li><\/ul>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Domain Name System (DNS) records are used to translate and store information relating to web hosting such as website IP addressing, domain name and subdomains associated, web servers, mail servers and a range of other resources that you wish to access or have accessed by others. Name Servers are used to respond to requests, keep [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[94],"tags":[172,117,171,123],"class_list":["post-986","post","type-post","status-publish","format-standard","hentry","category-common-issues","tag-common-records","tag-dns","tag-dns-records","tag-linux"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>DNS Records Explained - KnownHost<\/title>\n<meta name=\"description\" content=\"In this article we will tell you more about what DNS records are, and how to configure them to your websites needs.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"DNS Records Explained - KnownHost\" \/>\n<meta property=\"og:description\" content=\"In this article we will tell you more about what DNS records are, and how to configure them to your websites needs.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/\" \/>\n<meta property=\"og:site_name\" content=\"KnownHost\" \/>\n<meta property=\"article:published_time\" content=\"2021-07-15T11:49:53+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-11-18T13:22:23+00:00\" \/>\n<meta name=\"author\" content=\"Jonathan K. W.\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Jonathan K. W.\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/dns-records-explained\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/dns-records-explained\\\/\"},\"author\":{\"name\":\"Jonathan K. W.\",\"@id\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/#\\\/schema\\\/person\\\/3db6e20d1f33519cd68fe0ba1230a48b\"},\"headline\":\"DNS Records Explained\",\"datePublished\":\"2021-07-15T11:49:53+00:00\",\"dateModified\":\"2021-11-18T13:22:23+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/dns-records-explained\\\/\"},\"wordCount\":1787,\"keywords\":[\"common records\",\"dns\",\"dns records\",\"linux\"],\"articleSection\":[\"Common Issues\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/dns-records-explained\\\/\",\"url\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/dns-records-explained\\\/\",\"name\":\"DNS Records Explained - KnownHost\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/#website\"},\"datePublished\":\"2021-07-15T11:49:53+00:00\",\"dateModified\":\"2021-11-18T13:22:23+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/#\\\/schema\\\/person\\\/3db6e20d1f33519cd68fe0ba1230a48b\"},\"description\":\"In this article we will tell you more about what DNS records are, and how to configure them to your websites needs.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/dns-records-explained\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/dns-records-explained\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/dns-records-explained\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"DNS Records Explained\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/#website\",\"url\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/\",\"name\":\"KnownHost\",\"description\":\"KnownHost provides a comprehensive webhosting knowledge base to help answer many of your common webhosting and linux questions.\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.knownhost.com\\\/kb\\\/#\\\/schema\\\/person\\\/3db6e20d1f33519cd68fe0ba1230a48b\",\"name\":\"Jonathan K. W.\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/f432b99e6651fe8d1deb57a285bd84e806f1c9ae8b4c6c585d7e3a0b33789ad9?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/f432b99e6651fe8d1deb57a285bd84e806f1c9ae8b4c6c585d7e3a0b33789ad9?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/f432b99e6651fe8d1deb57a285bd84e806f1c9ae8b4c6c585d7e3a0b33789ad9?s=96&d=mm&r=g\",\"caption\":\"Jonathan K. W.\"},\"sameAs\":[\"https:\\\/\\\/www.knownhost.com\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"DNS Records Explained - KnownHost","description":"In this article we will tell you more about what DNS records are, and how to configure them to your websites needs.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/","og_locale":"en_US","og_type":"article","og_title":"DNS Records Explained - KnownHost","og_description":"In this article we will tell you more about what DNS records are, and how to configure them to your websites needs.","og_url":"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/","og_site_name":"KnownHost","article_published_time":"2021-07-15T11:49:53+00:00","article_modified_time":"2021-11-18T13:22:23+00:00","author":"Jonathan K. W.","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Jonathan K. W.","Est. reading time":"8 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#article","isPartOf":{"@id":"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/"},"author":{"name":"Jonathan K. W.","@id":"https:\/\/www.knownhost.com\/kb\/#\/schema\/person\/3db6e20d1f33519cd68fe0ba1230a48b"},"headline":"DNS Records Explained","datePublished":"2021-07-15T11:49:53+00:00","dateModified":"2021-11-18T13:22:23+00:00","mainEntityOfPage":{"@id":"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/"},"wordCount":1787,"keywords":["common records","dns","dns records","linux"],"articleSection":["Common Issues"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/","url":"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/","name":"DNS Records Explained - KnownHost","isPartOf":{"@id":"https:\/\/www.knownhost.com\/kb\/#website"},"datePublished":"2021-07-15T11:49:53+00:00","dateModified":"2021-11-18T13:22:23+00:00","author":{"@id":"https:\/\/www.knownhost.com\/kb\/#\/schema\/person\/3db6e20d1f33519cd68fe0ba1230a48b"},"description":"In this article we will tell you more about what DNS records are, and how to configure them to your websites needs.","breadcrumb":{"@id":"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.knownhost.com\/kb\/dns-records-explained\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.knownhost.com\/kb\/dns-records-explained\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.knownhost.com\/kb\/"},{"@type":"ListItem","position":2,"name":"DNS Records Explained"}]},{"@type":"WebSite","@id":"https:\/\/www.knownhost.com\/kb\/#website","url":"https:\/\/www.knownhost.com\/kb\/","name":"KnownHost","description":"KnownHost provides a comprehensive webhosting knowledge base to help answer many of your common webhosting and linux questions.","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.knownhost.com\/kb\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/www.knownhost.com\/kb\/#\/schema\/person\/3db6e20d1f33519cd68fe0ba1230a48b","name":"Jonathan K. W.","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/f432b99e6651fe8d1deb57a285bd84e806f1c9ae8b4c6c585d7e3a0b33789ad9?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/f432b99e6651fe8d1deb57a285bd84e806f1c9ae8b4c6c585d7e3a0b33789ad9?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/f432b99e6651fe8d1deb57a285bd84e806f1c9ae8b4c6c585d7e3a0b33789ad9?s=96&d=mm&r=g","caption":"Jonathan K. W."},"sameAs":["https:\/\/www.knownhost.com"]}]}},"_links":{"self":[{"href":"https:\/\/www.knownhost.com\/kb\/wp-json\/wp\/v2\/posts\/986","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.knownhost.com\/kb\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.knownhost.com\/kb\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.knownhost.com\/kb\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.knownhost.com\/kb\/wp-json\/wp\/v2\/comments?post=986"}],"version-history":[{"count":0,"href":"https:\/\/www.knownhost.com\/kb\/wp-json\/wp\/v2\/posts\/986\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.knownhost.com\/kb\/wp-json\/wp\/v2\/media?parent=986"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.knownhost.com\/kb\/wp-json\/wp\/v2\/categories?post=986"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.knownhost.com\/kb\/wp-json\/wp\/v2\/tags?post=986"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}