While I agree with the "why!? Node" sentiment of parent, you'd be wrong with this extension. Myself as well as a few friends (who have extensive history with DNS at both a sysadmin and developer level) disprove the theory that there's no overlap in the two skill sets.
I would never contribute to a JS project, but it is the most used language in the world. Which language would you expect to have more overlap than the most used language in the world?