Performing a basic port scan (nmap -F luminous.co.kr)
Nmap scan report for luminous.co.kr (76.76.21.93)
Host is up (0.00023s latency).
Other addresses for luminous.co.kr (not scanned): 76.76.21.22
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 2.67 seconds