Registro IPv4
host: dojin.com
class: IN
ttl: 3600
type: A
ip: 210.155.3.54

Servidores DNS Principal (mname) y Secundario (rname)
host: dojin.com
class: IN
ttl: 3600
type: SOA
mname: dns.sakura.ad.jp
rname: noc.sakura.ad.jp
serial: 2025041101
refresh: 3600
retry: 300
expire: 3600000
minimum-ttl: 3600