[dns-operations] PowerDNS has not Cookie feature?

Csillag Tamas cstamas at nic.hu
Sun Dec 2 22:58:25 UTC 2018

On Sun, Dec 02, 2018 at 04:07:29PM +0100, Anand Buddhdev wrote:
> On 02/12/2018 14:10, Rubens Kuhl wrote:
> Hi Rubens,
> > Are you sure NSD, Knot DNS, Yadifa and Nominum ANS dont't have server-side IXFR ?
> NSD does _not_ provide IXFR, because it does not do any journalling. NSD
> as a slave can request IXFR though. But it always merges the IXFR back
> into the zone, so it can never provide IXFR to a downstream.
> Knot DNS _does_ provide IXFR, because it has a full and proper
> journalling engine (based on LMDB). We use Knot DNS as a signer, and it
> happily provides IXFR, and works VERY well. Knot DNS also has an
> "ixfr-from-differences" mode, similar to BIND, where it can compute the
> differences between two versions of a plain text zone, and record those
> into its LMDB journal for providing IXFR.

I only checked knot today and the docs suggests the same. Glad to hear about
your good experiences.
> Yadifa's documentation suggests that it can provide IXFR, but I've not
> tried it, so I cannot say with certainty.
> Nominum ANS also does extensive journalling, and can probably provide
> IXFR, but again, I have no personal experience to speak of.

I have not checked closed source software in my previous research.


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