Registro DMARC
v=DMARC1; p=reject; pct=100; rua=mailto:rua@dmarc.microsoft; ruf=mailto:ruf@dmarc.microsoft; fo=1

Servidores DNS Principal (mname) y Secundario (rname)
host: microsoftonline.com
class: IN
ttl: 3600
type: SOA
mname: ns1-38.azure-dns.com
rname: msnhst.microsoft.com
serial: 2017971531
refresh: 300
retry: 120
expire: 2419200
minimum-ttl: 60

Servidor de Correo
host: microsoftonline.com
class: IN
ttl: 3600
type: MX
pri: 10
target: messaging-microsoft-com.mail.protection.outlook.com

Información TXT
host: microsoftonline.com
class: IN
ttl: 300
type: TXT
txt: google-site-verification=CNZTg2P9nNfuZUJdHTYBONoHbOjMq7UPVvxoqMgomfQ
entries: Array

Información TXT
host: microsoftonline.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 ip4:216.32.180.228 include:spfa.microsoftonline.com include:spf-exacttarget.microsoftonline.com include:spf-msods.microsoftonline.com include:spf-mfa.microsoftonline.com include:_spf-ssg-a.microsoft.com -all
entries: Array

Información TXT
host: microsoftonline.com
class: IN
ttl: 300
type: TXT
txt: google-site-verification=y-tlrGiMNJkBF1UO4Xk0GjbVwYk3p5urCieV9B1sHJ0
entries: Array