title: Are URLs with multiple periods in the URL path valid?
body: <p>I would like to know whether below URLs are valid or not.</p>
  
  <p>Dots in the path, after the host:</p>
  
  <p><code>http://www.example.com/v.b.w..com</code></p>
  
  <p>Dots in the host, as part of the sub-domain:</p>
  
  <p><code>http://v.b.w..co.manufacturer.example.com/</code></p>