Performing a basic port scan (nmap -F blog.kodable.com)
Nmap scan report for blog.kodable.com (3.13.31.214)
Host is up (0.058s latency).
rDNS record for 3.13.31.214: ec2-3-13-31-214.us-east-2.compute.amazonaws.com
Not shown: 98 filtered ports
PORT STATE SERVICE
80/tcp open http
443/tcp open https
Nmap done: 1 IP address (1 host up) scanned in 4.34 seconds