Performing a basic port scan (nmap -F donhaisok.com)
Nmap scan report for donhaisok.com (176.9.85.146)
Host is up (0.15s latency).
rDNS record for 176.9.85.146: http-balancer-01.influencersoft.info
Not shown: 89 filtered tcp ports (no-response), 8 filtered tcp ports (host-prohibited)
PORT STATE SERVICE
22/tcp open ssh
80/tcp open http
443/tcp open https
Nmap done: 1 IP address (1 host up) scanned in 3.43 seconds