Realizar un escaneo de puertos básico (nmap -F raveis.com)
Nmap scan report for raveis.com (72.32.36.163)
Host is up (0.037s 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 2.59 seconds