Registro IPv4
host: smstud.com
class: IN
ttl: 3600
type: A
ip: 14.63.173.127

Servidores DNS Principal (mname) y Secundario (rname)
host: smstud.com
class: IN
ttl: 3600
type: SOA
mname: ns1.namesvr.net
rname: root.smstud.com
serial: 2023032121
refresh: 3600
retry: 300
expire: 604800
minimum-ttl: 3600

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