Registro DMARC
v=DMARC1; p=reject; aspf=r; adkim=r;

Servidores DNS Principal (mname) y Secundario (rname)
host: 6ip.nl
class: IN
ttl: 300
type: SOA
mname: ns0.transip.net
rname: hostmaster.transip.nl
serial: 2024061200
refresh: 86400
retry: 1800
expire: 2419200
minimum-ttl: 300

Servidor de Correo
host: 6ip.nl
class: IN
ttl: 86400
type: MX
pri: 10
target: albissimus.dikhoed.net

Información TXT
host: 6ip.nl
class: IN
ttl: 86400
type: TXT
txt: v=spf1 a mx -all
entries: Array