Performing a basic port scan (nmap -F icd.who.int)
Nmap scan report for icd.who.int (104.45.81.79)
Host is up (0.12s 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 5.12 seconds