Performing a basic port scan (nmap -F isover-technische-isolatie.be)
Nmap scan report for isover-technische-isolatie.be (81.92.80.55)
Host is up (0.14s latency).
Other addresses for isover-technische-isolatie.be (not scanned): 81.92.80.56
rDNS record for 81.92.80.55: saspresence.perf1.com
Not shown: 97 filtered tcp ports (no-response)
PORT STATE SERVICE
53/tcp closed domain
80/tcp open http
443/tcp open https
Nmap done: 1 IP address (1 host up) scanned in 8.26 seconds