Realizar un escaneo de puertos básico (nmap -F wolf3d.io)
Nmap scan report for wolf3d.io (76.76.21.21)
Host is up (0.00024s 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 2.17 seconds