Nmap scan report for sumdu.edu.ua (172.67.75.53) Host is up (0.0011s latency). Other addresses for sumdu.edu.ua (not scanned): 104.26.13.228 104.26.12.228 2606:4700:20::681a:de4 2606:4700:20::681a:ce4 2606:4700:20::ac43:4b35 Not shown: 96 filtered tcp ports (no-response) PORT STATE SERVICE 80/tcp open http 443/tcp open https 8080/tcp open http-proxy 8443/tcp open https-alt Nmap done: 1 IP address (1 host up) scanned in 2.33 seconds