Registro DMARC
v=DMAR1 p=reject;

Servidores DNS Principal (mname) y Secundario (rname)
host: dirnea.org
class: IN
ttl: 3600
type: SOA
mname: ns1.afraid.org
rname: dnsadmin.afraid.org
serial: 2505100001
refresh: 86400
retry: 7200
expire: 2419200
minimum-ttl: 3600

Servidor de Correo
host: dirnea.org
class: IN
ttl: 3600
type: MX
pri: 10
target: mailz.dirnea.org

Información TXT
host: dirnea.org
class: IN
ttl: 3600
type: TXT
txt: v=spf1 a mx -all
entries: Array