Performing a basic port scan (nmap -F ro-eservice.com)
Nmap scan report for ro-eservice.com (52.31.158.183)
Host is up (0.15s latency).
rDNS record for 52.31.158.183: ec2-52-31-158-183.eu-west-1.compute.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 5.83 seconds