Performing a basic port scan (nmap -F sec.windcave.com)
Nmap scan report for sec.windcave.com (65.223.10.110)
Host is up (0.0024s latency).
Not shown: 99 filtered ports
PORT STATE SERVICE
443/tcp open https
Nmap done: 1 IP address (1 host up) scanned in 2.35 seconds