Registro DMARC
"valor: v=DMARC1; p=none;"v=DMARC1

Servidores DNS Principal (mname) y Secundario (rname)
host: icfes.gov.co
class: IN
ttl: 300
type: SOA
mname: ns1.p201.dns.oraclecloud.net
rname: hostmaster.icfes.gov.co
serial: 83
refresh: 3600
retry: 600
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: icfes.gov.co
class: IN
ttl: 3600
type: MX
pri: 0
target: icfes-gov-co.mail.protection.outlook.com

Información TXT
host: icfes.gov.co
class: IN
ttl: 3600
type: TXT
txt: brevo-code:c97e7b051aaa7c0633c3eca01214a18a
entries: Array