Registro DMARC
v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

Servidores DNS Principal (mname) y Secundario (rname)
host: messagematters.dk
class: IN
ttl: 3574
type: SOA
mname: ns1.simply.com
rname: hostmaster.simply.com
serial: 2026083101
refresh: 14400
retry: 3600
expire: 1209600
minimum-ttl: 3600

Servidor de Correo
host: messagematters.dk
class: IN
ttl: 1307
type: MX
pri: 10
target: mx.simply.com

Información TXT
host: messagematters.dk
class: IN
ttl: 1307
type: TXT
txt: v=spf1 include:spf.simply.com -all
entries: Array