Registro DMARC
v=DMARC1; p=none; rua=mailto:dmarc_agg@vali.email;

Servidores DNS Principal (mname) y Secundario (rname)
host: mxdom.com
class: IN
ttl: 21600
type: SOA
mname: ns1.quickdns.dk
rname: hostmaster.quickdns.dk
serial: 2026080203
refresh: 14400
retry: 7200
expire: 2415600
minimum-ttl: 3600

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

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