Realizar un escaneo de puertos básico (nmap -F qixin.com)
Nmap scan report for qixin.com (203.107.45.221)
Host is up (0.16s latency).
Not shown: 98 filtered ports
PORT STATE SERVICE
80/tcp open http
443/tcp open https
Nmap done: 1 IP address (1 host up) scanned in 4.56 seconds