DDNS updates when the primary master is down

[Mark Andrews]

> When doing DDNS, the updates are forwarded to the primary master named
> in the SOA from any slave or other master, since the primary master has
> the only "writeable" copy of the zone data, from which the other servers
> download the information.  The question is, what happens when the server
> named in the SOA is unavailable, because it is down?  What happens to
> these updates, that are received by other masters?

	They fail.  I would expect SERVFAIL to be return because there
	is not a specific error code for this condition.

	The client retries later.

	Mark
 
> Earl M. Smith
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Mark Andrews, ISC
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