Registro DMARC
v=spf1 +ip4:140.227.88.0/24 include:asahi-net.or.jp ~all

Registro IPv4
host: club21.org
class: IN
ttl: 7200
type: A
ip: 140.227.88.117

Servidores DNS Principal (mname) y Secundario (rname)
host: club21.org
class: IN
ttl: 7200
type: SOA
mname: NS75.WORLDNIC.COM
rname: namehost.WORLDNIC.COM
serial: 122101103
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: club21.org
class: IN
ttl: 7200
type: MX
pri: 10
target: club21.sakura.ne.jp

Información TXT
host: club21.org
class: IN
ttl: 7200
type: TXT
txt: v=spf1 +ip4:140.227.88.0/24 include:asahi-net.or.jp ~all
entries: Array