1	@	2	3	1237408579	0	0	0	1	192.0.0.1			1		
2	@	2	3	1237408624	0	0	0	1	192.168.0.2			2		
3	1	2	3	1237408819	0	0	0	7	ns1.yourdomain.com.			3		
4	2	2	3	1237408846	0	0	0	7	ns2.yourdomain.com.			3		
