For BIND

	# cd /path/to/newzone
	# make
	# cp newzone.so /usr/lib64/newzone.so

	# cd /var/named
	# touch zones.trig
	# chown mysql:mysql zones.trig

	# mysql ourpdns
	mysql> CREATE FUNCTION newzone RETURNS INTEGER SONAME "newzone.so";
	Query OK, 0 rows affected (0.06 sec)

	mysql> SOURCE newzone.sql;
	Query OK, 0 rows affected (0.05 sec)

	mysql> INSERT INTO domains (name, type) VALUES ('example.net', 'NATIVE');
	Query OK, 1 row affected (0.14 sec)

	mysql> quit


	# ls -l zones.trig
	-rw-r--r-- 1 mysql mysql 12 May 10 00:05 zones.trig
	# cat zones.trig
	example.net

	# make -f Makefile.dns
	enumzonessql.pl > /tmp/zones.$ && \
	           mv /tmp/zones.$ /var/named/zones.incl
	# make -f Makefile.dns
	make: `zones.incl' is up to date.