Registro IPv4
host: correo.ipn.mx
class: IN
ttl: 3600
type: A
ip: 148.204.103.31

Servidores DNS Principal (mname) y Secundario (rname)
host: correo.ipn.mx
class: IN
ttl: 3600
type: SOA
mname: dns1.ipn.mx
rname: tic.ipn.mx
serial: 2024102801
refresh: 10800
retry: 3600
expire: 1209600
minimum-ttl: 10800

Servidor de Correo
host: correo.ipn.mx
class: IN
ttl: 3600
type: MX
pri: 0
target: correo-ipn-mx.mail.protection.outlook.com

Información TXT
host: correo.ipn.mx
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:spf.protection.outlook.com -all
entries: Array