Registro DMARC
v=DMARC1; p=quarantine; rua=mailto:dmarc-reports@teziutlan.tecnm.mx; ruf=mailto:dmarc-failures@teziutlan.tecnm.mx; fo=1; adkim=r; aspf=r

Registro IPv4
host: teziutlan.tecnm.mx
class: IN
ttl: 3600
type: A
ip: 187.157.132.30

Servidores DNS Principal (mname) y Secundario (rname)
host: teziutlan.tecnm.mx
class: IN
ttl: 3600
type: SOA
mname: ns1-01.azure-dns.com
rname: azuredns-hostmaster.microsoft.com
serial: 1
refresh: 3600
retry: 300
expire: 2419200
minimum-ttl: 300

Servidor de Correo
host: teziutlan.tecnm.mx
class: IN
ttl: 3600
type: MX
pri: 1
target: teziutlan-tecnm-mx.mail.protection.outlook.com