Registro IPv4
host: birood.jp
class: IN
ttl: 3600
type: A
ip: 185.60.251.251

Servidores DNS Principal (mname) y Secundario (rname)
host: birood.jp
class: IN
ttl: 3600
type: SOA
mname: master.dns.ne.jp
rname: tech.sakura.ad.jp
serial: 2022092101
refresh: 3600
retry: 900
expire: 3600000
minimum-ttl: 3600

Servidor de Correo
host: birood.jp
class: IN
ttl: 3600
type: MX
pri: 10
target: birood.sakura.ne.jp