Registro IPv4
host: nnonn.com
class: IN
ttl: 300
type: A
ip: 121.254.156.249

Servidores DNS Principal (mname) y Secundario (rname)
host: nnonn.com
class: IN
ttl: 300
type: SOA
mname: nnonn.com
rname: mail.nnonn.com
serial: 2010112400
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 10800

Servidor de Correo
host: nnonn.com
class: IN
ttl: 300
type: MX
pri: 0
target: mail.nnonn.com