Registro DMARC
v=DMARC1; p=none

Servidores DNS Principal (mname) y Secundario (rname)
host: yo.rim.or.jp
class: IN
ttl: 300
type: SOA
mname: ns.rim.or.jp
rname: admin.rim.or.jp
serial: 2024050200
refresh: 7200
retry: 3600
expire: 3600000
minimum-ttl: 86400

Servidor de Correo
host: yo.rim.or.jp
class: IN
ttl: 300
type: MX
pri: 10
target: mx.rim.or.jp

Información TXT
host: yo.rim.or.jp
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:ispspf.siriuscloud.jp ip4:153.122.42.143/32 ~all
entries: Array