Registro DMARC
v=DMARC1; p=none; sp=none; pct=100; adkim=r; aspf=r

Registro IPv4
host: dds.nl
class: IN
ttl: 3600
type: A
ip: 81.21.136.122

Servidores DNS Principal (mname) y Secundario (rname)
host: dds.nl
class: IN
ttl: 3600
type: SOA
mname: ns1.dds.nl
rname: postmaster.dds.nl
serial: 1
refresh: 21600
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: dds.nl
class: IN
ttl: 600
type: MX
pri: 10
target: mx.dds.nl

Información TXT
host: dds.nl
class: IN
ttl: 600
type: TXT
txt: v=spf1 include:spf.dds.nl include:_spf.transip.nl include:_spf.transip.email ~all
entries: Array