Google Public DNS is a free, global Domain Name System (DNS) resolution service, that you can use as an alternative to your current DNS provider. The official page for Google's Public DNS is located at https://developers.google.com/speed/public-dns/
Many end users, as well as servers (VPS/Dedicated) use Google's Public DNS services as their primary DNS resolvers. Google offers the ability to force flush a domain's DNS zone records. This allows more quickly seeing changes to DNS zones if changes are made.
To force flush a DNS zone in Google's Public DNS, simple follow these steps:
It's as simple as that!