Registro IPv4
host: bjzdgy.cn
class: IN
ttl: 600
type: A
ip: 222.73.236.21

Servidores DNS Principal (mname) y Secundario (rname)
host: bjzdgy.cn
class: IN
ttl: 600
type: SOA
mname: ns1.dnsdd.com
rname: admin.bjzdgy.cn
serial: 12
refresh: 3600
retry: 900
expire: 1209600
minimum-ttl: 3600