Registro IPv4
host: ferrosystems.es
class: IN
ttl: 600
type: A
ip: 217.130.24.17

Servidores DNS Principal (mname) y Secundario (rname)
host: ferrosystems.es
class: IN
ttl: 600
type: SOA
mname: ns1.altia.es
rname: hostmaster.altia.es
serial: 2013031300
refresh: 86400
retry: 7200
expire: 2592000
minimum-ttl: 600

Servidor de Correo
host: ferrosystems.es
class: IN
ttl: 600
type: MX
pri: 10
target: vmail.altia.es