Performing a basic port scan (nmap -F cities-today.com)
Nmap scan report for cities-today.com (18.164.154.76)
Host is up (0.00096s latency).
Other addresses for cities-today.com (not scanned): 18.164.154.104 18.164.154.79 18.164.154.106
rDNS record for 18.164.154.76: server-18-164-154-76.lax53.r.cloudfront.net
Not shown: 98 filtered tcp ports (no-response)
PORT STATE SERVICE
80/tcp open http
443/tcp open https
Nmap done: 1 IP address (1 host up) scanned in 3.03 seconds