Nmap scan report for cluster85.instructure.com (3.217.206.122) Host is up (0.062s latency). Other addresses for cluster85.instructure.com (not scanned): 52.70.58.225 52.5.174.232 rDNS record for 3.217.206.122: ec2-3-217-206-122.compute-1.amazonaws.com Not shown: 998 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 7.30 seconds