Registro IPv4
host: overdue.aliyun.com
class: IN
ttl: 201
type: A
ip: 170.33.12.185

Registro CNAME (Alias)
host: sales.cn
class: IN
ttl: 501
type: CNAME
target: overdue.aliyun.com

Registro CNAME (Alias)
host: sales.cn
class: IN
ttl: 500
type: CNAME
target: overdue.aliyun.com