Performing a basic port scan (nmap -F joinkula.io)
Nmap scan report for joinkula.io (172.67.176.172)
Host is up (0.00094s latency).
Other addresses for joinkula.io (not scanned): 2606:4700:3031::6815:3826 2606:4700:3031::ac43:b0ac 104.21.56.38
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 2.63 seconds