Registro IPv4
host: gctech21.com
class: IN
ttl: 3105
type: A
ip: 119.205.211.251

Servidores DNS Principal (mname) y Secundario (rname)
host: gctech21.com
class: IN
ttl: 3600
type: SOA
mname: ns1.namesvr.net
rname: root.gctech21.com
serial: 2022030714
refresh: 3600
retry: 300
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: gctech21.com
class: IN
ttl: 3600
type: MX
pri: 10
target: mail.gctech21.com