Registro DMARC
v=DMARC1;p=quarantine;rua=mailto:dmarcAreports@cbs.nl;ruf=mailto:dmarcFreports@cbs.nl;fo=1;adkim=r;aspf=r

Registro IPv4
host: cbs.nl
class: IN
ttl: 7200
type: A
ip: 132.164.123.249

Servidores DNS Principal (mname) y Secundario (rname)
host: cbs.nl
class: IN
ttl: 1800
type: SOA
mname: dnsa4.cbs.nl
rname: postmaster.cbs.nl
serial: 2017043431
refresh: 900
retry: 600
expire: 43200
minimum-ttl: 86400

Servidor de Correo
host: cbs.nl
class: IN
ttl: 246
type: MX
pri: 10
target: mailrelayh3.cbs.nl

Servidor de Correo
host: cbs.nl
class: IN
ttl: 246
type: MX
pri: 10
target: mailrelayh4.cbs.nl

Información TXT
host: cbs.nl
class: IN
ttl: 247
type: TXT
txt: v=spf1 mx ip4:51.105.176.79 ip4:50.85.155.139 ip4:87.213.43.205 include:spf.afas.online include:imedia.nl include:spf.protection.outlook.com -all
entries: Array

Registro IPv6
host: cbs.nl
class: IN
ttl: 7200
type: AAAA
ipv6: 2603:1020:203:14::2c9