Realizar un escaneo de puertos básico (nmap -F coresecurity.com)
Nmap scan report for coresecurity.com (23.185.0.1)
Host is up (0.00039s latency).
Other addresses for coresecurity.com (not scanned): 2620:12a:8001::1 2620:12a:8000::1
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 2.30 seconds