Nmap scan report for renrenzc.com (121.40.114.111)
Host is up (0.15s latency).
Not shown: 995 closed tcp ports (reset)
PORT     STATE    SERVICE
21/tcp   open     ftp
22/tcp   open     ssh
443/tcp  open     https
445/tcp  filtered microsoft-ds
3306/tcp open     mysql

Nmap done: 1 IP address (1 host up) scanned in 10.76 seconds