[dns-operations] SERVFAIL or REFUSED?

Niall O'Reilly niall.oreilly at ucd.ie
Thu Mar 28 14:42:46 UTC 2013


Hello.  Clue needed, please.

I thought I knew, or at least knew where to find out, which status
should be returned by a name server which receives a recursive query
but doesn't do recursion either at all or for the part of the network
where the originating client is.

I think it should always be REFUSED.  I've seen this as well as
SERVFAIL in the wild.  Is either equally acceptable, or is only one
strictly correct?

TIA and VBR,
Niall O'Reilly




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