Registro DMARC
v=DMARC1; p=none; rua=mailto:ueda@realmax.jp;

Registro IPv4
host: realmax.co.jp
class: IN
ttl: 3600
type: A
ip: 157.112.144.2

Servidores DNS Principal (mname) y Secundario (rname)
host: realmax.co.jp
class: IN
ttl: 3600
type: SOA
mname: ns1.sixcore.ne.jp
rname: root.sv0.sixcore.ne.jp
serial: 0
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: realmax.co.jp
class: IN
ttl: 3600
type: MX
pri: 0
target: realmax.co.jp

Información TXT
host: realmax.co.jp
class: IN
ttl: 3600
type: TXT
txt: v=spf1 +a:sv101.sixcore.ne.jp +a:realmax.co.jp +mx include:spf.sender.xserver.jp include:spf.form.run ~all
entries: Array