Performing a basic port scan (nmap -F cityads.com)
Nmap scan report for cityads.com (189.1.173.111)
Host is up (0.17s latency).
Not shown: 98 filtered ports
PORT STATE SERVICE
80/tcp open http
443/tcp open https
Nmap done: 1 IP address (1 host up) scanned in 5.14 seconds