Registro IPv4
host: ct-systemen.nl
class: IN
ttl: 300
type: A
ip: 136.144.212.108

Servidores DNS Principal (mname) y Secundario (rname)
host: ct-systemen.nl
class: IN
ttl: 1800
type: SOA
mname: ns1.dn-s.nl
rname: hostmaster.ct-systemen.nl
serial: 2021010100
refresh: 600
retry: 3600
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: ct-systemen.nl
class: IN
ttl: 3600
type: MX
pri: 10
target: mail.ct-systemen.nl