Registro IPv4
host: Num.to
class: IN
ttl: 300
type: A
ip: 160.16.209.212

Servidores DNS Principal (mname) y Secundario (rname)
host: Num.to
class: IN
ttl: 3600
type: SOA
mname: master.dns.ne.jp
rname: tech.sakura.ad.jp
serial: 2024042501
refresh: 3600
retry: 900
expire: 3600000
minimum-ttl: 3600

Servidor de Correo
host: Num.to
class: IN
ttl: 3600
type: MX
pri: 10
target: mail.Num.to