Registro IPv4
host: ocean3.biz
class: IN
ttl: 3600
type: A
ip: 207.56.6.23

Servidores DNS Principal (mname) y Secundario (rname)
host: ocean3.biz
class: IN
ttl: 3600
type: SOA
mname: pns51.cloudns.net
rname: support.cloudns.net
serial: 2025120307
refresh: 7200
retry: 1800
expire: 1209600
minimum-ttl: 3600