Registro DMARC
v=DMARC1; p=reject; rua=mailto:dmarc@universalcr.com; ruf=mailto:dmarc@universalcr.com; fo=1; pct=100; adkim=s; aspf=s;

Servidores DNS Principal (mname) y Secundario (rname)
host: universalcr.com
class: IN
ttl: 900
type: SOA
mname: ns-1048.awsdns-03.org
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400

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

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