Registro IPv4
host: scr.nz
class: IN
ttl: 120
type: A
ip: 1.1.1.1

Servidores DNS Principal (mname) y Secundario (rname)
host: scr.nz
class: IN
ttl: 3600
type: SOA
mname: ns1.dynu.com
rname: administrator.dynu.com
serial: 724
refresh: 3600
retry: 900
expire: 604800
minimum-ttl: 300

Servidor de Correo
host: scr.nz
class: IN
ttl: 90
type: MX
pri: 10
target: mail.scr.nz