title: How to get Scheme from uri string without it?
body: <p>I want to get the correct scheme from a simple DNS string. How can I do this in C#?</p>
  
  <hr>
  
  <p>Example:</p>
  
  <p>I have this: <code>google.com</code></p>
  
  <p>I want to get this: <code>https://www.google.com</code></p>
  
  <hr>
  
  <p>But some other sites like this: <code>msn.com</code></p>
  
  <p>I want to get this: <code>http://www.msn.com</code></p>