title: How to get my Public DNS (IPv4) of instance Amazon EC2
body: <p>I launched a new instance in EC2 Management of amazon but this don't have the Public DNS (IPv4).</p>
  
  <p>Can you tell me what I'm missing?</p>
  
  <p><a href="https://i.stack.imgur.com/wO1tt.png" rel="nofollow noreferrer">details</a></p>