Registro DMARC
v=DMARC1; p=reject; rua=mailto:postmaster@fastguide.de

Registro IPv4
host: fastguide.de
class: IN
ttl: 1800
type: A
ip: 81.169.153.50

Servidores DNS Principal (mname) y Secundario (rname)
host: fastguide.de
class: IN
ttl: 150
type: SOA
mname: ns3.stratoserver.net
rname: hostmaster.strato-rz.de
serial: 2020051906
refresh: 86400
retry: 7200
expire: 604800
minimum-ttl: 300

Servidor de Correo
host: fastguide.de
class: IN
ttl: 150
type: MX
pri: 10
target: mail.witan.de

Información TXT
host: fastguide.de
class: IN
ttl: 150
type: TXT
txt: v=spf1 -all
entries: Array