Performing a basic port scan (nmap -F smarthome-grundriss.de)
Nmap scan report for smarthome-grundriss.de (37.187.191.238)
Host is up (0.15s latency).
Not shown: 97 filtered ports
PORT STATE SERVICE
22/tcp open ssh
80/tcp open http
443/tcp open https
Nmap done: 1 IP address (1 host up) scanned in 4.38 seconds