$ORIGIN .

$TTL 20

child.parent.nil IN SOA ns.child.parent.nil. hostmaster.parent.nil. (

1 ; serial

2000 ; refresh (33 minutes 20 seconds)

2000 ; retry (33 minutes 20 seconds)

1814400 ; expire (3 weeks)

3600 ; minimum (1 hour)

)

NS ns.child.parent.nil.

$ORIGIN child.parent.nil.

$TTL 300 ; 5 minutes

ns A 10.53.0.3