my domain is registered in godaddy, I have a reseller account with domain name www.abc.net knownhost assigned me a dns with ns1.abc.net and ns2.abc.net the ip is :xx1.xxx.xxx.xxx , xx2.xxx.xxx.xxx. when I try to change dns server with the ip xx1.xxx.xxx.xxx which provided by knownhost for my domain abc.net. godaddy say the dns is invaild, don't allow me to change it. anyone has the same experience? thank you.