On Fri, 10 Nov 2023, John R Levine wrote:
Subject: [DNSOP] QNAME minimization is bad
Well, not always bad but sometimes.
A bit misleading subject :P
I'd like to write a draft that updates RFC 9156 by describing situations like
this that caches could recognize and avoid useless churn, added to section
2.3 which already suggests special casing underscored labels.
Couldn't the RBL's add an underscore in their base zone name to trigger
the special casing in 9156? That would not require a new RFC and
perhaps might not require code updates?
Paul
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