Machine friendly alternative to nsupdate

Tony Finch dot at
Wed Apr 1 16:01:27 UTC 2020

Shumon Huque <shuque at> wrote:
> The implication is that "ignore" also means set the response code to
> NOERROR. Although, I suppose CNAME related UPDATE processing could have
> been special cased to return an error code like YXRRSET (even without a
> specified prerequisite clause).

Ah, yes, now you mention it I have remembered the relevant bit of how
UPDATE is designed: the idea is that update processing can't cause an
error response (except for internal server failures unrelated to the
contents of the zone or the update message); all errors come from
processing prerequisites, permissions, and the update prescan phase.

So if you want errors from an UPDATE you have to ask for them in the

f.anthony.n.finch  <dot at>
Selsey Bill to Lyme Regis: Variable 3 or less, becoming west or north west 3
or 4. Smooth or slight. Showers. Good.

More information about the bind-users mailing list