In today's snapshot of Deadwood, I have refined the heuristics of how to handle empty packets by only treating them as "this host does not exist" if the user asked for an AAAA (IPv6 IP) record. This resolves a problem Deadwood has resolving the archive.org names when one of the three upstream DNS servers replied to requests with a REFUSED DNS reply.
They can be downloaded here:
http://www.maradns.org/download/2.0/snap/
http://www.maradns.org/deadwood/snap/
The next day I will work on MaraDNS is two weeks from today: Friday, April 29 2011.
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