Used for master zone files. Other services can not modify files of this type. named can only modify files of this type if the named_write_master_zones Boolean is turned on.

By default, named can write to files labeled with this type, without additional Booleans being set. Files copied or created in the /var/named/slaves,/var/named/dynamic and /var/named/data directories are automatically labeled with the named_cache_t type.