Performing a basic port scan (nmap -F greenroads.com)
Nmap scan report for greenroads.com (104.18.11.159)
Host is up (0.0034s latency).
Other addresses for greenroads.com (not scanned): 2606:4700::6812:a9f 2606:4700::6812:b9f 104.18.10.159
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 4.43 seconds