Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: beekmanklinieken.nl
class: IN
ttl: 14400
type: A
ip: 185.37.71.23

Servidores DNS Principal (mname) y Secundario (rname)
host: beekmanklinieken.nl
class: IN
ttl: 3600
type: SOA
mname: ns3.firstfind.nl
rname: hostmaster\@firstfind.nl
serial: 2019092500
refresh: 16384
retry: 2048
expire: 1048576
minimum-ttl: 14400

Servidor de Correo
host: beekmanklinieken.nl
class: IN
ttl: 3600
type: MX
pri: 10
target: beekmanklinieken-nl.mail.protection.outlook.com

Información TXT
host: beekmanklinieken.nl
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:_spf.sentia.nl include:_spf.previder.nl include:spf.protection.outlook.com ip4:185.37.71.23 ~all
entries: Array