[Unbound-users] Strange behavior with AAAA record

[Wouter Wijngaards]

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Florian Weimer wrote:
| * Teran McKinney:
|
|> There are 4 instances of "::ffff:0.0.0.0" in the
|> icadyptes.eleuther.net dump and none from one that works fine. I am
|> suprised  that it works when using Zoneedit's servers directly but not
|> when through Unbound.
|
| They refuse the reverse lookup, avoiding the timeout (just guessing).

There is only one server that will answer for the reverse zone you ask
for. It answers (sometimes) after maybe 3 seconds. Unbound has to wait
for that.

Also that remote server has recursion enabled, which it should not have.
~ When it does answer, I saw answers that contained failures.

I understand you want an answer faster, but there was no answer that
unbound can give you, except by giving up faster.

The only solution I can think of is by giving up quicker. That means
this poor 3 seconds slow server with lots of dropped packets never gets
to say anything, when it has useful data to reply.

Best regards,
~   Wouter
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