$TTL    120
@               	SOA     ns.example.  hostmaster.ns.example. ( 1 3600 1200 604800 60 )
@               	NS      ns
ns              	A       10.53.0.1
ns2			A	10.53.0.2
a               	A       10.53.0.4
dynamic-10-53-0-30 	A 	10.53.0.30