Registro IPv4
host: crbna.com
class: IN
ttl: 3600
type: A
ip: 207.244.97.21

Servidores DNS Principal (mname) y Secundario (rname)
host: crbna.com
class: IN
ttl: 3600
type: SOA
mname: ns1.durabledns.com
rname: support.durabledns.com
serial: 1656574554
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 82000

Servidor de Correo
host: crbna.com
class: IN
ttl: 3600
type: MX
pri: 0
target: crbna.com