[Pdns-users] dns queries timeout on secondary IPs

George izghitu at gmail.com
Wed Sep 8 17:31:45 UTC 2010


Hi,

I have CentOS 5.5 and powerdns 2.9.21 set up as a slave server. My
problem is that pdns does not reply to queries that come from outside
on any secondary IP . Here's the full story:
nslookup -norecurse domain.com - MAINIP
Server:         MAINIP
Address:        MAINIP#53

Name:   domain.com
Address: 1.1.1.1

nslookup -norecurse domain.com - SECONDARYIP
;; connection timed out; no servers could be reached

When I run nmap on both primary and secondary IP for port 53 UDP and
TCP it says they are open.

I configured pdns for verbose logging and the strange thing is that
when I query for a non-existent domain then I can see in the pdns
logs:
pdns[5282]: Not authoritative for 'asd', sending servfail to SOMEIP
(recursion was desired)

But when I query for a domain that exists in pdns there's no message,
nothing. Just timeout.

However querying from the dns server itself on all its IPs works fine.

I have no firewalls

Please help
Thanks




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