Servidores DNS Principal (mname) y Secundario (rname)
host: nobeoka.net
class: IN
ttl: 300
type: SOA
mname: ns1.value-domain.com
rname: hostmaster.nobeoka.net
serial: 2020082618
refresh: 3600
retry: 900
expire: 604800
minimum-ttl: 300

Servidor de Correo
host: nobeoka.net
class: IN
ttl: 300
type: MX
pri: 10
target: mail.nobeoka.net