Registro IPv4
host: qdyl.org.cn
class: IN
ttl: 600
type: A
ip: 120.221.72.144

Servidores DNS Principal (mname) y Secundario (rname)
host: qdyl.org.cn
class: IN
ttl: 86400
type: SOA
mname: ns1.sfn.cn
rname: root.ns1.sfn.cn
serial: 2024052318
refresh: 600
retry: 120
expire: 604800
minimum-ttl: 7200