Performing a basic port scan (nmap -F yoursitechecklist.com)
Nmap scan report for yoursitechecklist.com (104.21.57.82)
Host is up (0.00085s latency).
Other addresses for yoursitechecklist.com (not scanned): 2606:4700:3030::6815:3952 2606:4700:3036::ac43:a18e 172.67.161.142
Not shown: 96 filtered tcp ports (no-response)
PORT STATE SERVICE
80/tcp open http
443/tcp open https
8080/tcp open http-proxy
8443/tcp open https-alt
Nmap done: 1 IP address (1 host up) scanned in 2.13 seconds