Nmap scan report for renruijd.com (192.3.91.140)
Host is up (0.00093s latency).
rDNS record for 192.3.91.140: 192-3-91-140-host.colocrossing.com
Not shown: 999 filtered tcp ports (no-response)
PORT   STATE SERVICE
80/tcp open  http

Nmap done: 1 IP address (1 host up) scanned in 6.60 seconds