Registro DMARC
v=DMARC1; p=none; pct=100;

Servidores DNS Principal (mname) y Secundario (rname)
host: headquartersmagazine.com
class: IN
ttl: 600
type: SOA
mname: ns7.alidns.com
rname: hostmaster.hichina.com
serial: 2025112513
refresh: 3600
retry: 1200
expire: 86400
minimum-ttl: 600

Servidor de Correo
host: headquartersmagazine.com
class: IN
ttl: 600
type: MX
pri: 10
target: mail.headquartersmagazine.com

Información TXT
host: headquartersmagazine.com
class: IN
ttl: 600
type: TXT
txt: v=spf1 mx ~all
entries: Array