Registro DMARC
v=DMARC1; p=reject

Registro IPv4
host: itescam.edu.mx
class: IN
ttl: 3600
type: A
ip: 201.116.74.213

Servidores DNS Principal (mname) y Secundario (rname)
host: itescam.edu.mx
class: IN
ttl: 3600
type: SOA
mname: dns_ext
rname: hostmaster
serial: 57
refresh: 900
retry: 600
expire: 86400
minimum-ttl: 3600

Servidor de Correo
host: itescam.edu.mx
class: IN
ttl: 3600
type: MX
pri: 0
target: itescam-edu-mx.mail.eo.outlook.com

Información TXT
host: itescam.edu.mx
class: IN
ttl: 3600
type: TXT
txt: v=spf1 mx a ip4:201.116.74.213 include:spf.protection.outlook.com -all
entries: Array