Registro DMARC
v=DMARC1; p=quarantine

Servidores DNS Principal (mname) y Secundario (rname)
host: orsmab.com
class: IN
ttl: 21600
type: SOA
mname: ns-cloud-d1.googledomains.com
rname: cloud-dns-hostmaster.google.com
serial: 3
refresh: 21600
retry: 3600
expire: 259200
minimum-ttl: 300

Servidor de Correo
host: orsmab.com
class: IN
ttl: 14400
type: MX
pri: 20
target: mailsec.protonmail.ch

Servidor de Correo
host: orsmab.com
class: IN
ttl: 14400
type: MX
pri: 10
target: mail.protonmail.ch

Información TXT
host: orsmab.com
class: IN
ttl: 14400
type: TXT
txt: v=spf1 include:_spf.protonmail.ch ~all
entries: Array

Información TXT
host: orsmab.com
class: IN
ttl: 14400
type: TXT
txt: protonmail-verification=7bb2887057aa3e2ee856dc635fcdf3cb4921ea9e
entries: Array