···188188 zonefile-sync = "-1";
189189 # Load zone changes from journal instead of rewriting the zone file
190190 # Required when DNSSEC signing is enabled with read-only zone files
191191- zonefile-load = "difference";
191191+ # Use difference-no-serial to auto-increment serial based on serial-policy
192192+ zonefile-load = "difference-no-serial";
193193+ serial-policy = "dateserial";
194194+ journal-content = "all";
192195 }
193196 ];
194197 };