Performing a basic port scan (nmap -F thomasdegraaff.nl)
Nmap scan report for thomasdegraaff.nl (185.199.108.153)
Host is up (0.00033s latency).
rDNS record for 185.199.108.153: cdn-185-199-108-153.github.com
Not shown: 98 filtered ports
PORT STATE SERVICE
80/tcp open http
443/tcp open https
Nmap done: 1 IP address (1 host up) scanned in 2.18 seconds