Find the Fastest DNS Server for Your Computer

Are you a power-user with 5 minutes to spare? Do you want a faster internet experience? 

Try out namebench. It hunts down the fastest DNS servers available for your computer to use. namebench runs a fair and thorough benchmark using your web browser history, tcpdump output, or standardized datasets in order to provide an individualized recommendation. namebench is completely free and does not modify your system in any way. This project began as a 20% project at Google. - namebench

namebench finds the fastest DNS server for your connection. Once started, 

the test took about 7 minutes to complete using the default settings. When it's done, you'll be presented with a handful of handy charts displaying the results of the tests.

source: https://code.google.com/p/namebench/

namebench | via Lifehacker