Registro IPv4
host: overdue.aliyun.com
class: IN
ttl: 300
type: A
ip: 170.33.13.248

host: tgcy.cn
class: IN
ttl: 600
type: CNAME
target: overdue.aliyun.com

Servidores DNS Principal (mname) y Secundario (rname)
host: tgcy.cn
class: IN
ttl: 600
type: SOA
mname: dns15.hichina.com
rname: hostmaster.hichina.com
serial: 2025042413
refresh: 3600
retry: 1200
expire: 86400
minimum-ttl: 600