Nmap scan report for riboedu.com (120.26.71.12)
Host is up (0.19s latency).
Not shown: 995 filtered tcp ports (no-response)
PORT     STATE  SERVICE
21/tcp   open   ftp
80/tcp   open   http
443/tcp  open   https
3306/tcp closed mysql
8080/tcp closed http-proxy

Nmap done: 1 IP address (1 host up) scanned in 10.93 seconds