$ttl 38400
0.168.192.in-addr.arpa.	IN	SOA	proxy.lab1.com. root.lab1.com. (
			1163575198
			10800
			3600
			604800
			38400 )
0.168.192.in-addr.arpa.	IN	NS	proxy.lab1.com.
200.0.168.192.in-addr.arpa.	IN	PTR	proxy.