Registro DMARC
v=DMARC1;p=none;

Registro IPv4
host: yushu.or.jp
class: IN
ttl: 3600
type: A
ip: 164.46.57.154

Servidores DNS Principal (mname) y Secundario (rname)
host: yushu.or.jp
class: IN
ttl: 900
type: SOA
mname: ns-1616.awsdns-10.co.uk
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: yushu.or.jp
class: IN
ttl: 3600
type: MX
pri: 100
target: mail.yushu.or.jp

Información TXT
host: yushu.or.jp
class: IN
ttl: 3600
type: TXT
txt: v=spf1 ip4:164.46.57.154 mx ~all
entries: Array