Registro DMARC
v=DMARC1; p=none

Servidores DNS Principal (mname) y Secundario (rname)
host: izu.co.jp
class: IN
ttl: 300
type: SOA
mname: ns1.izu.jp
rname: root.izu.jp
serial: 2024020601
refresh: 7200
retry: 3600
expire: 1814400
minimum-ttl: 600

Servidor de Correo
host: izu.co.jp
class: IN
ttl: 300
type: MX
pri: 10
target: mx.izu.co.jp

Información TXT
host: izu.co.jp
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:spf01.izu.jp ~all
entries: Array