The IP-number of your machine is : 

54.211.101.93

The DNS-name of your machine is :

 93.101.211.54.in-addr.arpa name = ec2-54-211-101-93.compute-1.amazonaws.com.

Authoritative answers can be found from:
101.211.54.in-addr.arpa nameserver = ns1-24-us-east-1.ec2-rdns.amazonaws.com.
101.211.54.in-addr.arpa nameserver = ns4-24-us-east-1.ec2-rdns.amazonaws.com.
101.211.54.in-addr.arpa nameserver = ns2-24-us-east-1.ec2-rdns.amazonaws.com.
101.211.54.in-addr.arpa nameserver = ns3-24-us-east-1.ec2-rdns.amazonaws.com.