Performing a basic port scan (nmap -F oldfieldadvisory.com)
Nmap scan report for oldfieldadvisory.com (185.216.79.115)
Host is up (0.15s latency).
rDNS record for 185.216.79.115: delivery.vividcreative.com
Not shown: 89 filtered ports
PORT STATE SERVICE
21/tcp open ftp
25/tcp open smtp
80/tcp open http
110/tcp open pop3
443/tcp open https
49152/tcp closed unknown
49153/tcp closed unknown
49154/tcp closed unknown
49155/tcp closed unknown
49156/tcp closed unknown
49157/tcp closed unknown
Nmap done: 1 IP address (1 host up) scanned in 3.67 seconds