check process bind9 with pidfile /var/run/named/named.pid
	start program = "/etc/init.d/bind9 start"
	stop program = "/etc/init.d/bind9 stop"
	if failed host 127.0.0.1 port 53 type tcp protocol dns then restart
	if failed host 127.0.0.1 port 53 type udp protocol dns then restart
	if 3 restarts within 3 cycles then alert
	if 5 restarts within 5 cycles then timeout