What is the correct answer when having no data?

[Mark.Andrews at nominum.com]

> 
> Hello,
> 
> I was wondering what is the RFC-correct answer from a nameserver when
> 
> 1) having no clue about the query
> 2) being no allowed to fetch-glue or make recursive queries?
> 
> A reply with empty answer/additional/authority sections? Root-servers in
> the additional/authority section? Dead silence?

	If you have the root servers then you have some clue.

	If you have absolutely no clue, SERVFAIL, otherwise return
	the best possible answer you have.  This may just be the root
	servers.

	Don't return a empty message because that meaning.

	Mark
> 
> Thanks for any comment....
> 
> gilles
> 
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Mark Andrews, Nominum Inc.
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