+6367. [bug] Since the dns_validator_destroy() function doesn't
+ guarantee that it destroys the validator, rename it to
+ dns_validator_shutdown() and require explicit
+ dns_validator_detach() to follow. Implement an expected
+ behavior of the function to release a name associated
+ with the validator. [GL #4654]
+
6366. [bug] An assertion could be triggered in the QPDB cache when
encountering a delegation below a DNAME. [GL #4652]