title: Getting client hostname in Node.js
body: <p>is it possible to get <em>hostname</em> in Node.js?</p>
  
  <p><strong>This is how I get client's IP:</strong></p>
  
  <pre><code>var ip = request.header('x-forwarded-for');
  </code></pre>
  
  <p><strong>So, how do I get client's hostname?</strong></p>
  
  <pre><code>var hostname = request.header('???');
  </code></pre>
  
  <p>Thanks for reply!</p>