Performing a basic port scan (nmap -F gendretechnique.fr)
Nmap scan report for gendretechnique.fr (217.70.184.55)
Host is up (0.15s latency).
rDNS record for 217.70.184.55: webredir.gandi.net
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 5.49 seconds