Registro IPv4
host: metro.es
class: IN
ttl: 86400
type: A
ip: 194.179.124.41

Servidores DNS Principal (mname) y Secundario (rname)
host: metro.es
class: IN
ttl: 86400
type: SOA
mname: minerva.ttd.net
rname: hostmaster.ttd.net
serial: 2006100681
refresh: 86400
retry: 7200
expire: 2592000
minimum-ttl: 172800