[Pdns-users] Slaving Opennic zones using bind-backend

Oliver Kent admin at peerx.co
Fri May 11 12:26:28 UTC 2012

Hello all

If anyone can help me out with this problem, it would be much appreciated.

I am running a small DNS service with PowerDNS acting as an authoritative
nameserver, in front of the PowerDNS recursor. I primarily use the mysql
backend as its easy to administer via poweradmin. I recently got interested
in OpenNic and wanted to be able to access their domains through my DNS,
and as far as I can see, the easiest way to do this would be to slave
domains from their nameservers.

Most of their servers use bind, so the instructions for slaving their zones
are also tailored for bind (http://wiki.opennicproject.org/Tier2ServerConfig).
I decided that it was therefore easiest to use PowerDNS's bind backend and
then I could also keep their zones separate from my own. I went about this
by first setting slave=yes in my pdns.conf and then loading the bind
backend after gmysql (launch=gmysql, bind). I also added the location of a
named.conf file I created myself (its contents mirror those given on the
OpenNic wiki). I also created files as required by their wiki instructions
at locations /etc/powerdns/bind/zones/db.root and
/etc/powerdns/bind/zones/slaves/db.dns.opennic. You can see the whole of my
pdns config here: https://pastee.org/jv4vt.

 When I restarted PowerDNS, everything works as before, except none of the
OpenNic zones are being slaved properly. Here is the log:
https://pastee.org/e9s94. The problem seems to be "Unable to feed record
during incoming AXFR of '': out-of-zone data 'ac' during AXFR of zone" but
I have no idea what that means.

If somebody could offer an explanation, I would be grateful.


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