The Debian "bug report" 177285, available on <URL:http://bugs.debian.org/177285> talks about Oak and says that its home page is:
http://www.digitallumber.com/oak/ However, this domain is badly broken (one name server has no IP address and www.digitallumber.com is a dangling CNAME). I'm very much interested in a new name server (we use BIND and test nsd and PowerDNS, which are both very good), especially if it is written in Python but the setup of this domain is quite frightening for advertising a DNS server...