Realizar un escaneo de puertos básico (nmap -F duda.co)
Nmap scan report for duda.co (99.86.4.27)
Host is up (0.15s latency).
Other addresses for duda.co (not scanned): 99.86.4.75 99.86.4.16 99.86.4.4
rDNS record for 99.86.4.27: server-99-86-4-27.fra6.r.cloudfront.net
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 4.41 seconds