The files in adns/ were borrowed from the (original) ADNS library and from
the hybrid-ircd's ANDS library.
The original code's copyright notices are in README.
The hybrid-ircd's code's copyright notices are in README.ircd.

The modified portions are Copyright 2001 Lorant Dobos <drummer@buli.sk>

I changed back everything to the original library except the IPv6 support
and removed the poll support.