Google DNS is a free public Domain Name System (DNS) service that is offered to millions of Internet users around the world. The public DNS service and servers that are offered maintained and owned by Google. It functions as a recursive name server providing domain name resolution for any host on the Internet.
The service was announced on 3rd December 2009, in an effort to make the web surfing faster and more secure. By 2014, Google Public DNS is the largest public DNS service in the world, handling over 400 billion requests per day.
Google DNS services provide efficiency and speed benefits such as
- Using Anycast routing to send user requests to the closest data center,
- Over-provisioning servers to handle denial-of-service attacks
- Load balancing servers using two cache levels with a small per-host cache containing the most popular names and another pool of servers partitioned by the name to be looked up.
IPv6 and IPv4 GOOGLE DNS
Google Public DNS IP addresses:
IPv4: 22.214.171.124 and 126.96.36.199
IPv6: 2001:4860:4860::8888 and 2001:4860:4860::8844
The addresses are mapped to the nearest operational server by anycast routing.
HOW TO CONFIGURE IPv6 ADDRESSES OR IPv4 ADDRESSES GOOGLE DNS FOR WINDOWS
CAUTION: Please save your current IP address.
- Go to Control panel >> Network and Internet >> Network and Sharing Center.
- Click the option ‘Change adapter settings.
- Choose the connection which you want to configure and right click.
- Select the option ‘Properties’.
- Select the ‘Networking’ tab.
- You can select either one of the options ‘Internet Protocol Version 4 (TCP/IP)’ or ‘Internet Protocol Version 6 (TCP/IP6)’.
- Click the button ‘Properties’.
- Select the option ‘Use the following DNS server addresses’.
- Enter the IP addresses. For IPV4 and for IPv6 as stated above Click ‘Ok’ button.
- Restart the connection. Testing the Settings.
GOOGLE DNS CONFIGURATION
- Type the hostname (http://www.google.com) in your browser. If it resolves correctly, bookmark this page. Access the page from the bookmark. Both tests work, everything is working fine!
- If it is not working, type a fixed IP address in your browser. If it resolves correctly, bookmark the page. Access the page from the bookmark. If both tests work, there is a problem with your DNS configuration.
- Revert back the changes which you have done and test it again. If it failed again, contact your ISP or Network Administrator.
Configuring network settings to use Google public DNS is that simple and easy.