Registro DMARC
v=DMARC1; p=none;

Servidores DNS Principal (mname) y Secundario (rname)
host: gigared.com
class: IN
ttl: 21600
type: SOA
mname: localhost
rname: root.localhost
serial: 2
refresh: 604800
retry: 86400
expire: 2419200
minimum-ttl: 604800

Servidor de Correo
host: gigared.com
class: IN
ttl: 21600
type: MX
pri: 0
target: mail.gigared.com

Información TXT
host: gigared.com
class: IN
ttl: 604800
type: TXT
txt: v=spf1 +mx +a +ip4:190.183.195.2 ~all
entries: Array