reversezonefilename_format=Format for the name of reverse zone files,0
file_owner=Owner for zone files (user:group),3,Default
file_perms=Permissions for zone files (in octal),3,Default
-default_prins=Default master server for master zones,0,System's hostname
+default_prins=Default master server for master zones,3,System's hostname
default_master=Default master server(s) for slave zones,0
updserial_on=Automatically update serial numbers,1,1-Yes,0-No
ipv6_mode=Domain for reverse IPv6 addresses,1,1-ip6.arpa,0-ip6.int