Registro DMARC
v=DMARC1;p=quarantine;pct=100;fo=1

Servidor de Correo
host: prod.yomobile.xyz
class: IN
ttl: 300
type: MX
pri: 10
target: inbound-smtp.us-east-1.amazonaws.com

Información TXT
host: prod.yomobile.xyz
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:amazonses.com ~all
entries: Array