Realizar un escaneo de puertos básico (nmap -F google.com)
Nmap scan report for google.com (142.250.68.110)
Host is up (0.00032s latency).
Other addresses for google.com (not scanned): 2607:f8b0:4007:816::200e
rDNS record for 142.250.68.110: lax31s12-in-f14.1e100.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 1.97 seconds