Performing a basic port scan (nmap -F stellarllc.net)
Nmap scan report for stellarllc.net (66.234.112.210)
Host is up (0.050s latency).
Other addresses for stellarllc.net (not scanned): 2604:4200:11::10
rDNS record for 66.234.112.210: 66-234-112-210.gctel.stellarllc.net
Not shown: 97 filtered tcp ports (no-response)
PORT STATE SERVICE
21/tcp open ftp
80/tcp open http
443/tcp open https
Nmap done: 1 IP address (1 host up) scanned in 2.50 seconds