Normal Scan (nmap vpc-sh-prod.mqtt.iotgds.aliyuncs.com.gds.alibabadns.com)
Nmap scan report for vpc-sh-prod.mqtt.iotgds.aliyuncs.com.gds.alibabadns.com (106.14.128.70)
Host is up (0.16s latency).
Not shown: 999 filtered tcp ports (no-response)
PORT STATE SERVICE
443/tcp open https
Nmap done: 1 IP address (1 host up) scanned in 15.84 seconds