Nmap scan report for wanikani.com.herokudns.com (54.161.241.46)
Host is up (0.065s latency).
Other addresses for wanikani.com.herokudns.com (not scanned): 52.202.168.65 54.237.133.81 18.205.222.128
rDNS record for 54.161.241.46: ec2-54-161-241-46.compute-1.amazonaws.com
Not shown: 998 filtered tcp ports (no-response)
PORT    STATE SERVICE
80/tcp  open  http
443/tcp open  https

Nmap done: 1 IP address (1 host up) scanned in 6.05 seconds