Find the Fastest DNS(Domain Name Server) Near to Your Computer

Lot of users may get confused with Internet giant, Google claiming Google DNS Server offers much improved speed for internet. Lot of people fall into a dilemma whether to shift to Google DNS or use the Default DNS provided by their ISP.
Good news is that along with Google Public DNS resolver, Google also released a tool named Namebench, open DNS benchmark utility which hunts for fastest DNS servers for your computer and also shows recommended fastest and nearest DNS Severs available to your computer.
The problem with changing your DNS server provided by ISP can be unexpected. Some websites may not load properly , its good to always revert back to default DNS service provider when that happens. It is true that you are connected openly to the Internet, you have to secure your computer by using anti-virus software . OpenDNS is one DNS service that filters malicious websites.
Namebench is free tool  searches for fastest DNS servers available to your computer using your browser history ,tcpdump output or using standardized datasets. If your ran Namebench, after various tests it shows recommended configuration including Primary DNS server, Secondary and Territory DNS server which is best for your computer.
By default number of tests to ran in namebench set to 200 which may take a lot of time, so minimize the number of tests 50 or to your desired count . Namebench checks your connection quality and searches for all available global DNS servers including OpenDNS, UltraDNS and also searches for best regional DNS servers available for your computer. After benchmarking servers, it shows best DNS server and the detailed report in browser with fastest and nearest configuration to your computer.
For different ISPS, results may vary, ran namebench in your computer and decide which to use for optimal internet performance .