Registro DMARC
v=DMARC1; p=none

Registro IPv4
host: learningfocus.nl
class: IN
ttl: 8030
type: A
ip: 91.184.0.5

Servidores DNS Principal (mname) y Secundario (rname)
host: learningfocus.nl
class: IN
ttl: 900
type: SOA
mname: ns01.hostnet.nl
rname: hostmaster.hostnet.nl
serial: 2024111604
refresh: 14400
retry: 3600
expire: 1209600
minimum-ttl: 900

Servidor de Correo
host: learningfocus.nl
class: IN
ttl: 8030
type: MX
pri: 10
target: mailfilter.hostnet.nl

Información TXT
host: learningfocus.nl
class: IN
ttl: 8030
type: TXT
txt: v=spf1 a mx include:_spf.hostnet.nl
entries: Array