On 26/10/2021 12.02, Petr Špaček wrote:
We need to consider & document interaction between Query Name Minimization and NXDOMAIN processing as per RFC 8020. If minimization & RFC 8020 are on default then it might very easily happen that most of _er subtrees (which are presumably empty) will be cut out by cache and nothing will be sent out when an error is detected.
I believe that's already sufficiently addressed in section 4.1. Managing Caching Optimizations
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