Ports
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IP
Nmap scan report for ptr7862.duolingo.com (184.72.124.184) Host is up (0.064s latency). rDNS record for 184.72.124.184: ec2-184-72-124-184.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 6.19 seconds