Realizar un escaneo de puertos básico (nmap -F atco.com)
Nmap scan report for atco.com (141.118.20.217)
Host is up (0.075s 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 4.43 seconds