tld.db revision 1.1.1.1 
1$TTL 300	; 5 minutes
2@			IN SOA	ns root (
3				2000082401 ; serial
4				1800       ; refresh (30 minutes)
5				1800       ; retry (30 minutes)
6				1814400    ; expire (3 weeks)
7				3600       ; minimum (1 hour)
8				)
9			NS	ns
10ns			A	10.53.0.2
11sld			NS	ns.sld
12ns.sld			A	10.53.0.1
13