[Pdns-users] PowerDNS Recursor (+PDNS?) and auto-update of local hostname DNS
b.candler at pobox.com
Sat Oct 17 20:38:57 UTC 2020
On 17/10/2020 20:54, Nicholas Williams wrote:
> First, the concern. I run MySQL in master/slave replication mode. I have a master MySQL server that I write to, and the PowerDNS servers connect to the slaves, not the master. Is there some way to tell PowerDNS to send updates to the master, or will I have to change one of the servers to connect to the master and explicitly send updates only to that server?
For DDNS updates, you'd need a powerDNS server which talks to the
master. It can be hidden from the rest of the Internet, and you can use
on the slaves to forward to the master.
There is a howto for the ISC dhcp server here:
It is of course moot if VyOS doesn't support DDNS updates: e.g.
https://forum.vyos.io/t/dhcp-service-and-dns-updates/245 (but the last
post was from 2016)
> Second, my question: Is there anyway to customize the queries that PowerDNS uses to update the records? Specifically, I would like to add a flag to records that were added or updated with Dynamic DNS so that my administrative console can differentiate between those and explicit records.
If the master server is *only* handling DDNS updates, then you should be
able to customise the query appropriately.
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