Nmap scan report for erebor.douban.com (81.70.125.19)
Host is up (0.15s latency).
Not shown: 997 filtered tcp ports (no-response), 1 filtered tcp ports (admin-prohibited)
PORT STATE SERVICE
80/tcp open http
443/tcp open https
Nmap done: 1 IP address (1 host up) scanned in 14.26 seconds