Registro IPv4
host: 123CHA.Com
class: IN
ttl: 300
type: A
ip: 119.3.124.13

Servidores DNS Principal (mname) y Secundario (rname)
host: 123CHA.Com
class: IN
ttl: 21600
type: SOA
mname: ns1.bdydns.cn
rname: sa.dudns.Com
serial: 2018080201
refresh: 3600
retry: 300
expire: 2592000
minimum-ttl: 120