[dns-operations] Experience with DDNS (RFC 2136)

Paul Vixie paul at redbarn.org
Fri Oct 7 18:17:26 UTC 2011

On Fri, 07 Oct 2011 16:08:21 +0100
Simon Munton <Simon.Munton at communitydns.net> wrote:

> ...
> But for updating slaves, I would have thought D/DNS has no advantage 
> over NOTIFY+IXFR, but N+I has the advantage of being more tolerant of 
> interruptions to the connectivity and has the ability to fall back to 
> AXFR for recovery scenarios.
> That said, I would imagine that for sending updates from the registry 
> database to the master in the first place D/DNS would probably be
> used.

there is no use profile or implementation i'm aware of by which RFC 2136
style dns dynamic updates are used to synchronize masters and slaves.
as you observe, notify and ixfr are the defined modern way to do that.
Paul Vixie

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