Nmap scan report for richlandvn.com (103.1.236.125)
Host is up (0.22s latency).
rDNS record for 103.1.236.125: hcm.cadao.net
Not shown: 888 filtered tcp ports (no-response), 43 filtered tcp ports (admin-prohibited), 65 closed tcp ports (reset)
PORT    STATE SERVICE
21/tcp  open  ftp
53/tcp  open  domain
80/tcp  open  http
443/tcp open  https

Nmap done: 1 IP address (1 host up) scanned in 40.37 seconds