Wednesday, April 25, 2012

Public DNS



What is Google Public DNS?

 
 
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.
To try it out:
  • Configure your network settings to use the IP addresses 8.8.8.8 and 8.8.4.4 as your DNS servers or
  • Read our configuration instructions.
New! For IPv6 addresses, see our configuration instructions.
If you decide to try Google Public DNS, your client programs will perform all DNS lookups using Google Public DNS.

 

 

Why does DNS matter?

The DNS protocol is an important part of the web's infrastructure, serving as the Internet's phone book: every time you visit a website, your computer performs a DNS lookup. Complex pages often require multiple DNS lookups before they start loading, so your computer may be performing hundreds of lookups a day.

 

Why should you try Google Public DNS?

By using Google Public DNS you can:





Google's motivation, according to the company, is to both speed up Web browsing as well as provide enhanced security. "We believe that a faster DNS infrastructure could significantly improve the browsing experience for all web users," Prem Ramaswami, of Google's Public DNS Team, wrote in a blog post. "To enhance DNS speed but to also improve security and validity of results, Google Public DNS is trying a few different approaches that we are sharing with the broader web community."

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