statements.
- Post-load of named.conf check verifies a slave zone has non-empty list
of masters defined.
- New per-zone boolean:
enable-zone yes | no ;
- intended to let a zone be disabled without having to comment out the
entire zone statement.
- New global and per-view option:
max-cache-ttl number
- New global and per-view option:
addition-data internal | minimal | maximal;