Registro DMARC
v=DMARC1; p=none;

Servidores DNS Principal (mname) y Secundario (rname)
host: riwhisper.com
class: IN
ttl: 7200
type: SOA
mname: NS11.WORLDNIC.com
rname: namehost.WORLDNIC.com
serial: 126050100
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: riwhisper.com
class: IN
ttl: 3600
type: MX
pri: 1
target: smtp.google.com

Información TXT
host: riwhisper.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:_spf.google.com include:amazonses.com include:spf.protection.outlook.com ~all
entries: Array