Registro DMARC
v=DMARC1; p=reject; rua=mailto:postmaster@blwrk.nl; ruf=mailto:postmaster@blwrk.nl

Servidores DNS Principal (mname) y Secundario (rname)
host: suurmond.net
class: IN
ttl: 300
type: SOA
mname: ns1.blwrk.nl
rname: admin.blwrk.nl
serial: 2026102401
refresh: 3600
retry: 1800
expire: 604800
minimum-ttl: 300

Servidor de Correo
host: suurmond.net
class: IN
ttl: 300
type: MX
pri: 10
target: mail.blwrk.nl

Información TXT
host: suurmond.net
class: IN
ttl: 300
type: TXT
txt: v=spf1 mx ra=postmaster -all
entries: Array