Managing Mission - Critical Domains and DNS

The Supermaster (auto-adding new zones to secondaries)

You can configure various powerdns supermasters for slave/secondary nodes. A supermaster means that when the slave nameserver received a NOTIFY packet for a given domain, it will automagically add the domain to its local config and go ahead and do an initial zone transfer for it.

For example, using the gmysql backend, you do this by adding an entry to the supermasters table:

mysql> select * from supermasters;

+--------------+---------------------+---------+

| ip           | nameserver          | account |

+--------------+---------------------+---------+

| 64.68.198.91 | ns1.mainserver.dom  |  xfr0   |

You need to make sure that the hostname listed in the nameserver field matches one of the NS RRSet for a given ...