Registro IPv4
host: youxibbs.cn
class: IN
ttl: 300
type: A
ip: 103.195.150.133

Servidores DNS Principal (mname) y Secundario (rname)
host: youxibbs.cn
class: IN
ttl: 21600
type: SOA
mname: ns1.bdydns.cn
rname: sa.dudns.com
serial: 2018010938
refresh: 5
retry: 5
expire: 2592000
minimum-ttl: 3600