Registro IPv4
host: retecal.es
class: IN
ttl: 3600
type: A
ip: 212.22.34.18

Servidores DNS Principal (mname) y Secundario (rname)
host: retecal.es
class: IN
ttl: 3600
type: SOA
mname: localhost
rname: retecal.es
serial: 2012112901
refresh: 10800
retry: 3600
expire: 432000
minimum-ttl: 3600

Servidor de Correo
host: retecal.es
class: IN
ttl: 3600
type: MX
pri: 20
target: correo.ono.es

Servidor de Correo
host: retecal.es
class: IN
ttl: 3600
type: MX
pri: 30
target: mail.en.ono.es