$ORIGIN test.
$TTL 1000
@ in soa localhost. postmaster.localhost. (
1993050801 ;serial
3600 ;refresh
1800 ;retry
604800 ;expiration
3600 ) ;minimum
in ns ns.test.
in ns ns2.test.
in ns ns3.test.
b in a 1.2.3.4
$ORIGIN sub.test.
in a 4.3.2.1