Nmap scan report for nassuzhou.cn (104.21.81.82) Host is up (0.0010s latency). Other addresses for nassuzhou.cn (not scanned): 2606:4700:3033::ac43:8ce6 2606:4700:3035::6815:5152 172.67.140.230 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 3.80 seconds