Realizar un escaneo de puertos básico (nmap -F psychri.org)
Nmap scan report for psychri.org (104.21.78.28)
Host is up (0.00094s latency).
Other addresses for psychri.org (not scanned): 2606:4700:3037::6815:4e1c 2606:4700:3031::ac43:d75c 172.67.215.92
Not shown: 96 filtered ports
PORT STATE SERVICE
80/tcp open http
443/tcp open https
8080/tcp open http-proxy
8443/tcp open https-alt
Nmap done: 1 IP address (1 host up) scanned in 8.54 seconds