Nmap scan report for renrenzuqin.com (172.247.233.43) Host is up (0.00049s latency). Not shown: 984 filtered tcp ports (no-response), 11 filtered tcp ports (host-prohibited) PORT STATE SERVICE 20/tcp closed ftp-data 21/tcp closed ftp 22/tcp closed ssh 80/tcp open http 443/tcp open https Nmap done: 1 IP address (1 host up) scanned in 10.67 seconds