Nmap scan report for 43.240.55.75
Host is up (0.30s latency).
Not shown: 95 closed tcp ports (reset)
PORT     STATE    SERVICE
25/tcp   filtered smtp
53/tcp   open     domain
80/tcp   filtered http
443/tcp  open     https
2000/tcp open     cisco-sccp

Nmap done: 1 IP address (1 host up) scanned in 4.65 seconds