Performing a basic port scan (nmap -F jchristians.com)
Nmap scan report for jchristians.com (104.21.47.10)
Host is up (0.0010s latency).
Other addresses for jchristians.com (not scanned): 2606:4700:3037::6815:2f0a 2606:4700:3035::ac43:a9ae 172.67.169.174
Not shown: 96 filtered ports
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 5.70 seconds