Nmap scan report for cluster20.instructure.com (34.204.150.118) Host is up (0.058s latency). Other addresses for cluster20.instructure.com (not scanned): 52.201.163.136 3.211.44.15 rDNS record for 34.204.150.118: ec2-34-204-150-118.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 5.61 seconds