Registro DMARC
v=DMARC1; p=none;

Servidores DNS Principal (mname) y Secundario (rname)
host: ans.co.jp
class: IN
ttl: 600
type: SOA
mname: asns1.customer.ne.jp
rname: postmaster.ans.co.jp
serial: 1505115541
refresh: 3600
retry: 1800
expire: 3628800
minimum-ttl: 3600

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

Información TXT
host: ans.co.jp
class: IN
ttl: 600
type: TXT
txt: v=spf1 +ip4:140.227.16.96 ~all
entries: Array