Registro IPv4
host: dudududu.cn
class: IN
ttl: 600
type: A
ip: 47.104.229.254

Servidores DNS Principal (mname) y Secundario (rname)
host: dudududu.cn
class: IN
ttl: 3600
type: SOA
mname: ns5000.01isp.com
rname: admin.now.cn
serial: 2026010701
refresh: 7200
retry: 3600
expire: 604800
minimum-ttl: 1800