Registro DMARC
v=DMARC1; p=none; aspf=r; adkim=r;

Registro IPv4
host: itea.edu.mx
class: IN
ttl: 86400
type: A
ip: 35.215.109.247

Servidores DNS Principal (mname) y Secundario (rname)
host: itea.edu.mx
class: IN
ttl: 14400
type: SOA
mname: ns1.siteground.net
rname: admins.siteground.com
serial: 24
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: itea.edu.mx
class: IN
ttl: 1800
type: MX
pri: 0
target: itea-edu-mx.mail.protection.outlook.com

Información TXT
host: itea.edu.mx
class: IN
ttl: 86400
type: TXT
txt: v=spf1 a mx ip4:162.244.93.4 include:spf.mxyeet.net include:spf.protection.outlook.com -all
entries: Array