Registro DMARC
v=spf1 include:spf.protection.outlook.com -all

Servidores DNS Principal (mname) y Secundario (rname)
host: spc-centrum.dk
class: IN
ttl: 900
type: SOA
mname: ns01.one.com
rname: hostmaster.one.com
serial: 2024111201
refresh: 14400
retry: 3600
expire: 1209600
minimum-ttl: 900

Servidor de Correo
host: spc-centrum.dk
class: IN
ttl: 21600
type: MX
pri: 10
target: spccentrum-dk0i.mail.protection.outlook.com

Información TXT
host: spc-centrum.dk
class: IN
ttl: 21600
type: TXT
txt: v=spf1 include:spf.protection.outlook.com -all
entries: Array