Evan Hunt <e...@isc.org> wrote:
>
> I'm concerned that a NOERROR/NODATA for qtype=ANY, once cached, would be
> identical to the cache representation of an empty nonterminal node, and
> that all subsequent queries for any other qtype would then be answered
> with the cached NODATA.

These are signed zones so the answer has to validate. Perhaps the answer
should be just the NSEC(3) and RRSIG(NSEC(3)) records matching the QNAME,
which is a plausible way to say, yes we have records here even though this
answer doesn't contain them.

Tony.
-- 
f.anthony.n.finch  <d...@dotat.at>  http://dotat.at/
Wight, Portland, Plymouth, Northwest Biscay: Southerly or southeasterly 4 or
5, occasionally 6. Slight or moderate, but rough at first in northwest Biscay.
Occasional rain. Good, occasionally poor.

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