Nmap scan report for qt.io (52.18.144.254) Host is up (0.15s latency). rDNS record for 52.18.144.254: ec2-52-18-144-254.eu-west-1.compute.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 12.13 seconds