$ORIGIN oo.ws.nsec3.org.
$TTL 120
@       SOA ns1 bugs.x.w 1 300 60 3600000 120
        NS        oo.ns.ws.nsec3.org.
sec     NS    sec.oo.ns.ws.nsec3.org.
unsec   NS  unsec.oo.ns.ws.nsec3.org.
$INCLUDE common