[Pdns-users] experience with PowerDNS and/or best parctice

Klaus Darilion klaus.mailinglists at pernau.at
Tue Aug 26 10:28:47 UTC 2014

We do not use PDNS in y setup like you describe, nevertheless some
comments inline ...

On 25.08.2014 09:59, GB wrote:
> Hi,
> maybe this is a little bit off topic on this list:
> We evaluating different DNS solutions because we want to replace our
> current dns infrastructure. Instead of BIND9 we are thinking about to
> use PowerDNS because of some really nice features (e.g.database backend,
> web based administration, fast,secure ...)
> Now we figured out that the DDNS(RFC 2136) is some kind of
> 'experimental' in PowerDNS. Before we do a PoC we want to ask if there
> is any experience or best practice using PowerDNS as internal DNS for
> mid-size or large companies instead of BIND9? Especially some
> information woukld be good if DDNS with ISC DHCP works like a charm.
> Additional we want to do a split-horizon setup and PowerDNS does not
> have 'views' like BIND. The question is now how to solve this
> (additional PowerDNS instances?). We have also read pro and contra about
> the idea to use mysql replication (we plan to do a 'hidden primary'). Is
> mysql replication still recommended instead of zone transfer?

If you do DNS zone transfers between the master and the slaves, you do
need some out-of-band provisioning for your slaves, e.g. if a zone is
added or removed, the slave needs to know about it. For adding zones you
could use the supermaster feature (but NOTIFYs may be missed sometimes
and then your slave is not provisioned), but there is no solution for
deleting zones.

If you use database based replication, then there is no need to care
about this things.

> We have
> around 700 clients which are using DDNS (ISC DHCP) and ~1500 server
> (fixed ip of course) located in different datacenter. Not too much but
> still growing...

Did you say that you want database replication between 1500 servers?


> The big question:
> Is PowerDNS a complete solution for a internal DNS infrastructure, do we
> have to think about a mixed environment (PowerDNS/BIND) or should we
> still use bind in the future? Any recommendations, ideas or experience
> report would be appreciated...
> Thanks!
> Marco
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