Registro IPv4
host: teacherbulletin.org
class: IN
ttl: 21600
type: A
ip: 160.238.31.82

Servidores DNS Principal (mname) y Secundario (rname)
host: teacherbulletin.org
class: IN
ttl: 2560
type: SOA
mname: a.ns.teacherbulletin.org
rname: hostmaster.teacherbulletin.org
serial: 1760935204
refresh: 16384
retry: 2048
expire: 1048576
minimum-ttl: 2560