resolver issues: AAAA in ipv4 only environment

[Dag-ErlingSmørgrav]

David Malone <dwmalone at maths.tcd.ie> writes:
> I've done some measurements, and it seems about half a percent of
> names and nameservers have some problem answering AAAA queries.
> Unfortunately, those names crop up alot, as several ad servers have
> problems. However, I think Doubliclick are now actually working
> toward fixing their name servers (though more people letting them
> know what a pain it is would probably help).

Actually, the best solution for DoubleClick is probably to blackhole
their IP block and/or add .doubleclick.net to the deny list in your
web proxy.

DES
-- 
Dag-Erling Smørgrav - des at des.no