Performing a basic port scan (nmap -F www.mibook9.com)
Nmap scan report for www.mibook9.com (172.64.151.21)
Host is up (0.00087s latency).
Other addresses for www.mibook9.com (not scanned): 2606:4700:4400::ac40:9715 2606:4700:4400::6812:24eb 104.18.36.235
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 2.75 seconds