[Unbound-users] SERVFAIL from Unbound whentrying to resolve a hostname
wouter at NLnetLabs.nl
Thu Dec 18 09:35:36 UTC 2008
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It works for me, all the time.
$ unbound-host -v www.icscards.nl
www.icscards.nl has address 18.104.22.168 (insecure)
www.icscards.nl has no IPv6 address (insecure)
Host www.icscards.nl not found: 2(SERVFAIL). (insecure)
The last line is because www.icscards.nl drops MX answers. That does not
explain what happens to you.
Can you run your unbound-host with -dddd to get debug info, capture the
output and send it to me (off-list because it gets big) ?
It seems you get different packets.
Marc Groeneweg wrote:
>> I have tried here. Sometimes it works. Sometimes bind starts giving
>> me SERVFAIL too.
>> c) if I try:
>> ./unbound-host -v www.icscards.nl -t A -dddd
>> I see the result is:
>> www.icscards.nl has address 22.214.171.124 (insecure)
>> It classifies both servers as recursion lame (it detects that
>> misconfiguration) and then does a lookup.
>> This detection is a feature that arrived in version 1.1.0. Are you
>> an older version of Unbound? If so, an upgrade probably solves the
>> problem for you.
> I'm using Unbound 1.1.1 compiled on a OpenBSD box without ldns:
> ./configure --with-conf-file=/sidn/unbound/etc/unbound.conf \
> --with-run-dir=/sidn/unbound \
> --with-pidfile=/var/run/unbound.pid \
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