$TTL	86400
@	in 	soa	kit50200.com	root.kit50200.com.(
				20130710
				3H
				15M
				1W
				1D)
	in	ns 	kit50200.com.
lab1.com.	in	ns	kit50201.lab1.com.
lab2.com.	in	ns	kit50255.lab2.com.

kit50200.com.	in	a	192.168.0.35
kit50201.lab1.com.	in	a	192.168.0.33
kit50255.lab2.com. 	in 	a 	192.168.0.55