On Tue, 8 Nov 2022, Mark Andrews wrote:
Filtering .alt in recursive servers should be a MUST NOT.
Mirror zones (copies of the root zone) and aggressive negative
caching will reduce the traffic to the root and not break downstream
validating clients.
AS112 is not needed.
I agree. However, doing query minimalization for .alt should be
recommended, but there is hardly a point of the draft defining
that because no one should implement query minimalization just
for alt.
Paul
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