Performing a basic port scan (nmap -F rt.prnewswire.com)
Nmap scan report for rt.prnewswire.com (104.18.32.115)
Host is up (0.00082s latency).
Other addresses for rt.prnewswire.com (not scanned): 2606:4700:4400::6812:2073 2606:4700:4400::ac40:9b8d 172.64.155.141
Not shown: 96 filtered ports
PORT STATE SERVICE
80/tcp open http
443/tcp open https
8080/tcp open http-proxy
8443/tcp open https-alt
Nmap done: 1 IP address (1 host up) scanned in 5.64 seconds