[Pdns-users] nslookup weirdness

Udo Rader listudo at bestsolution.at
Wed Feb 17 22:51:45 UTC 2010


On 02/17/2010 11:42 PM, Udo Rader wrote:
> Hi,
> 
> following a hardware crash I am seeing extremely weird results on the
> now restored server where pdns is located.
> 
> On the debian lenny based pdns server, I see this (with real IP
> addresses replaced):
> 
> % cat /etc/resolv.conf
> nameserver 127.0.0.1
> nameserver 172.13.1.2
> 
> % nslookup 172.13.17.1
> ;; Got recursion not available from 127.0.0.1, trying next server
> Server:		172.13.1.2
> Address:	172.13.1.2#53
> 
> 2.1.13.172.in-addr.arpa	name = weird.example.com.
> 
> % nslookup
>> server 127.0.0.1
> Default server: 127.0.0.1
> Address: 127.0.0.1#53
>> 172.13.17.1
> Server:		127.0.0.1
> Address:	127.0.0.1#53
> 
> 2.1.13.172.in-addr.arpa	name = weird.example.com.
>> exit

hmm, I just tried something else from a remote server that has the
troublesome pdns server as its primary nameserver:

$ cat /etc/resolv.conf
nameserver 172.13.1.1
nameserver 172.13.1.2

If I use nslookup on that box, exactly the same as described above
happens. But this time nslookup is on a Mandriva 2010.0 installation, so
I doubt that this is a nslookup problem now ...

-- 
Udo Rader, CTO
http://www.bestsolution.at
http://riaschissl.blogspot.com



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