Performing a basic port scan (nmap -F istbckportal.turkcellbulut.com)
Nmap scan report for istbckportal.turkcellbulut.com (176.235.33.241)
Host is up (0.19s latency).
Not shown: 99 filtered ports
PORT STATE SERVICE
443/tcp open https
Nmap done: 1 IP address (1 host up) scanned in 10.55 seconds