Registro IPv4
host: Cuatro.es
class: IN
ttl: 188
type: A
ip: 34.251.122.225

Servidores DNS Principal (mname) y Secundario (rname)
host: Cuatro.es
class: IN
ttl: 300
type: SOA
mname: ns1.interdomain.net
rname: admin.interdomain.net
serial: 659953908
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 3600