Registro DMARC
v=DMARC1; p=none;

Servidores DNS Principal (mname) y Secundario (rname)
host: voipheroes.com
class: IN
ttl: 3600
type: SOA
mname: ns1.bdm.microsoftonline.com
rname: azuredns-hostmaster.microsoft.com
serial: 1
refresh: 3600
retry: 300
expire: 2419200
minimum-ttl: 300

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

Información TXT
host: voipheroes.com
class: IN
ttl: 1800
type: TXT
txt: mscid=1h2enTTYIHAaw9m8hXxKRDczyYHGalQzzblDMm22WaO6l/s45vJ5fvjlsDlDdUB9FO/YIYa+KTRij25IWFWonQ==
entries: Array

Información TXT
host: voipheroes.com
class: IN
ttl: 1800
type: TXT
txt: v=spf1 include:spf.protection.outlook.com include:sendgrid.net -all
entries: Array

Información TXT
host: voipheroes.com
class: IN
ttl: 1800
type: TXT
txt: MS=ms28060005
entries: Array