Realizar un escaneo de puertos básico (nmap -F dekra.com)
Nmap scan report for dekra.com (20.79.91.135)
Host is up (0.14s 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 5.20 seconds