Performing a basic port scan (nmap -F talktalkplc.com)
Nmap scan report for talktalkplc.com (52.17.152.5)
Host is up (0.15s latency).
rDNS record for 52.17.152.5: ec2-52-17-152-5.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 4.86 seconds