Hi I've just released Ruby/Cares 0.1.0. This is a C extension wrapping the c-ares (http://daniel.haxx.se/projects/c-ares/) asynchronous DNS library. This is a preliminary release intended for getting feedback on the interfaces and on future functionality that could be implemented. To install it: # gem install ruby-cares For manual installation, fetch the tarball on rubyforge and check the README file. For documentation, see the project's homepage: http://cares.rubyforge.org/ I'd like to thank Guy Decoux, Nobu Nakada, Francis Cianfrocca and Kent Sibilev for helping me out with my newbie questions about C extensions on ruby-talk. Andre