[Pdns-users] SUPERMASTER

[Mark Watts]

> Hello to all,
> I'd want to know something about powerDNS. I have 2 DNS server, a
> master and a slave that both use bind. I'd want to have a third dns
> server that use powerDNS. This DNS server that use PowerDNS should be
> like a supermaster. I'll try to explain better. Using a web interface
> for powerDNS, that probably I'll realize, i want to create a new zone
> or modify an existent zone and i'd want that this modifications came
> sended to master DNS server and consequently to slave DNS server by
> refresh. So i'd want to have a "centralized" DNS server that use
> powerDNS with i'd manage the other DNS server that use bind. Is it
> possible using PowerDNS's "supermaster option"?
> Thanks for all
> Sorry for my english

Yes, this is exactly how I run a DNS master/slave system, although I use Bind 
as the master for historical reasons.

Assuming you're setting up a slave using MySQL,  If you've followed something 
like 
http://downloads.powerdns.com/documentation/html/generic-mypgsql-backends.html 
then you need to add an entry to the "supermasters" table to allow the Slave 
to honour things that the Master tells it.

	INSERT INTO supermasters VALUES ('192.168.1.1','ns2.example.com',NULL);

This configures pdns to be a Slave for any domains that the master (IP address 
192.168.1.1) tells it, via a notify, where it is listed as an NS record with 
the hostname "ns2.example.com".
Pdns will add the domain to the "domains" table, then perform a zone-transfer 
to pull the domain data.


Mark.

-- 
Mark Watts BSc RHCE MBCS
Senior Systems Engineer
QinetiQ Trusted Information Management
Trusted Solutions and Services Group
GPG Key: http://keyserver.veridis.com:11371/search?q=0x455420ED
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