bitcoin/bitcoin — pull request #4862 by schildbach (2014-09-07 09:18:40+00:00)
Title: Add testnet DNS seed of Andreas Schildbach.

It runs sipas crawler, but rather than using its custom nameserver implementation it serves a generated zonefile via bind9. The zone always contains 25 IPv4 and 25 IPv6 peers. FWIW, the zone is secured using DNSSEC.