Nmap scan report for renrenzhuan8.com (47.243.57.214)
Host is up (0.15s latency).
Not shown: 998 filtered tcp ports (no-response), 1 filtered tcp ports (port-unreach)
PORT    STATE SERVICE
443/tcp open  https

Nmap done: 1 IP address (1 host up) scanned in 12.34 seconds