Servidores DNS Principal (mname) y Secundario (rname)
host: pos.to
class: IN
ttl: 900
type: SOA
mname: ns7.atw.jp
rname: hostmaster.atw.jp
serial: 2021101801
refresh: 10800
retry: 1800
expire: 3600000
minimum-ttl: 600

Servidor de Correo
host: pos.to
class: IN
ttl: 900
type: MX
pri: 10
target: annex.atw.ne.jp

Información TXT
host: pos.to
class: IN
ttl: 900
type: TXT
txt: v=spf1 +ip4:210.189.80.110 +ip4:182.16.226.243 ~all
entries: Array