To prevent allocating large hashtable in dns_message, we need to backport the improvements to isc_ht API from BIND 9.18+ that includes support for case insensitive keys and incremental rehashing of the hashtables.
To prevent allocating large hashtable in dns_message, we need to backport the improvements to isc_ht API from BIND 9.18+ that includes support for case insensitive keys and incremental rehashing of the hashtables.