Registro DMARC
v=DMARC1; p=none; sp=none; rua=mailto:mail@jpgonlineservices.nl; rf=afrf; pct=100; ri=86400

Registro IPv4
host: koorschoolhaarlem.nl
class: IN
ttl: 60
type: A
ip: 84.22.100.196

Servidores DNS Principal (mname) y Secundario (rname)
host: koorschoolhaarlem.nl
class: IN
ttl: 300
type: SOA
mname: ns0.transip.net
rname: hostmaster.transip.nl
serial: 2021112801
refresh: 86400
retry: 1800
expire: 2419200
minimum-ttl: 300

Servidor de Correo
host: koorschoolhaarlem.nl
class: IN
ttl: 60
type: MX
pri: 0
target: koorschoolhaarlem-nl.mail.protection.outlook.com

Información TXT
host: koorschoolhaarlem.nl
class: IN
ttl: 60
type: TXT
txt: v=spf1 ip4:84.22.100.195 a:spf.protection.outlook.com ~all
entries: Array