Performing a basic port scan (nmap -F vistana.com)
Nmap scan report for vistana.com (52.201.15.232)
Host is up (0.068s latency).
rDNS record for 52.201.15.232: ec2-52-201-15-232.compute-1.amazonaws.com
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 2.67 seconds