Registro DMARC
v=DMARC1;p=quarantine;rua=mailto:dmarc@task.gda.pl;sp=none;fo=1

Servidores DNS Principal (mname) y Secundario (rname)
host: med.pl
class: IN
ttl: 7200
type: SOA
mname: ns1.task.gda.pl
rname: dns.task.gda.pl
serial: 2026061101
refresh: 10800
retry: 3600
expire: 2419200
minimum-ttl: 7200

Servidor de Correo
host: med.pl
class: IN
ttl: 7200
type: MX
pri: 1
target: hmail.task.gda.pl

Información TXT
host: med.pl
class: IN
ttl: 7200
type: TXT
txt: v=spf1 a mx ~all
entries: Array