Performing a basic port scan (nmap -F goodreads.com)
Nmap scan report for goodreads.com (52.94.226.87)
Host is up (0.067s latency).
Other addresses for goodreads.com (not scanned): 52.94.237.126 54.239.26.220
Not shown: 98 closed tcp ports (reset)
PORT STATE SERVICE
80/tcp open http
443/tcp open https
Nmap done: 1 IP address (1 host up) scanned in 0.51 seconds