Registro IPv4
host: jass.es
class: IN
ttl: 14400
type: A
ip: 127.0.0.1

Servidores DNS Principal (mname) y Secundario (rname)
host: jass.es
class: IN
ttl: 14400
type: SOA
mname: ns1.1fire-dns.de
rname: hostmaster.ns1.1fire-dns.de
serial: 2024120801
refresh: 14400
retry: 3600
expire: 1209600
minimum-ttl: 3600

Servidor de Correo
host: jass.es
class: IN
ttl: 14400
type: MX
pri: 10
target: mxext1.mailbox.org

Servidor de Correo
host: jass.es
class: IN
ttl: 14400
type: MX
pri: 10
target: mxext2.mailbox.org

Servidor de Correo
host: jass.es
class: IN
ttl: 14400
type: MX
pri: 20
target: mxext3.mailbox.org