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.
Found this with google: http://pastebin.com/m6b1b0f72 I might test it.
Created attachment 213984 [details] updated ebuild
Created attachment 223919 [details] namebench-1.1.ebuild
Added version 1.2 to portage. Thanks for the report and your ebuilds! :)