Realizar un escaneo de puertos básico (nmap -F robertwalters.co.th)
Nmap scan report for robertwalters.co.th (151.101.130.133)
Host is up (0.00042s latency).
Other addresses for robertwalters.co.th (not scanned): 151.101.66.133 151.101.2.133 151.101.194.133
Not shown: 98 filtered tcp ports (no-response)
PORT STATE SERVICE
80/tcp open http
443/tcp open https
Nmap done: 1 IP address (1 host up) scanned in 3.86 seconds