It looks like this is a web page, not a feed. I looked for a feed associated with this page, but couldn't find one. Please enter the address of your feed to validate.

Source: http://gebrauchte-profidrucker.de

  1. <!DOCTYPE html>
  2. <html lang="en" dir="ltr" class="sid-plesk">
  3. <head>
  4.    <title>Web Server's Default Page</title>
  5.    <meta name="copyright" content="Copyright 1999-2018. Plesk International GmbH. All rights reserved.">
  6.    <meta charset="utf-8">
  7.    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
  8.    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0">
  9.    <meta http-equiv="Cache-Control" content="no-cache">
  10.    <link rel="shortcut icon" href="favicon.ico">
  11.    <link rel="stylesheet" href="css/style.css">
  12.    <script src="https://assets.plesk.com/static/default-website-content/public/default-server-index.js"></script>
  13. </head>
  14. <body>
  15.  
  16. <div class="page-container">
  17.    <!-- start: PAGE HEADER-->
  18.    <div class="page-header-wrapper">
  19.        <div class="page-header">
  20.            <a class="product-logo" href="https://www.plesk.com" target="_blank"><img src="img/logo.png" alt="Plesk"></a>
  21.        </div>
  22.    </div>
  23.    <!-- end: PAGE HEADER-->
  24.  
  25.    <!-- start: PAGE CONTENT-->
  26.    <div class="page-content-wrapper">
  27.        <div class="page-content">
  28.  
  29.            <div class="page-info-wrapper">
  30.                <div class="page-info">
  31.                    <div class="page-info-heading">Web Server's Default Page</div>
  32.                    <p>This page is generated by <a href="https://www.plesk.com" target="_blank">Plesk</a>, the leading hosting automation software. You see this page because there is no Web site at this address.</p>
  33.                    <p>You can do the following:</p>
  34.                    <ul>
  35.                        <li>Create domains and set up Web hosting using Plesk.</li>
  36.                    </ul>
  37.                </div>
  38.            </div>
  39.  
  40.            <div class="product-info-wrapper">
  41.                <div class="product-info">
  42.                    <div class="product-info-heading">What is Plesk</div>
  43.                    <div class="product-info-content">
  44.                        <p><strong><a href="https://www.plesk.com" target="_blank">Plesk</a></strong> is a hosting <a href="https://www.plesk.com" target="_blank">control panel</a> with simple and secure web server and website management tools. It was specially designed to help IT specialists manage web, DNS, mail and other services through a comprehensive and user-friendly GUI. <a class="more" href="https://www.plesk.com" target="_blank">Learn more about Plesk</a>.</p>
  45.                        <ul class="links">
  46.                            <li><a class="blog" href="https://www.plesk.com/blog" target="_blank"><span>Developer Blog</span></a></li>
  47.                            <li><a class="forum" href="https://talk.plesk.com" target="_blank"><span>Forum</span></a></li>
  48.                            <li><a class="knowledge-base" href="https://support.plesk.com" target="_blank"><span>Knowledge Base</span></a></li>
  49.                            <li><a class="facebook" href="https://www.facebook.com/Plesk" target="_blank"><span>Facebook</span></a></li>
  50.                            <li><a class="twitter" href="https://twitter.com/Plesk" target="_blank"><span>Twitter</span></a></li>
  51.                            <li><a class="linkedin" href="https://www.linkedin.com/company/plesk" target="_blank"><span>LinkedIn</span></a></li>
  52.                        </ul>
  53.                    </div>
  54.                </div>
  55.            </div>
  56.  
  57.        </div>
  58.    </div>
  59.    <!-- end: PAGE CONTENT-->
  60.  
  61.    <!-- start: PAGE FOOTER-->
  62.    <div class="page-footer-wrapper">
  63.        <div class="page-footer">
  64.            This page was generated by Plesk. Plesk is the leading WebOps platform to run, automate and grow applications, websites and hosting businesses. Learn more at <a href="https://www.plesk.com" target="_blank">plesk.com</a>.
  65.        </div>
  66.    </div>
  67.    <!-- end: PAGE FOOTER-->
  68. </div>
  69.  
  70. </body>
  71. </html>
  72.  
Copyright © 2002-9 Sam Ruby, Mark Pilgrim, Joseph Walton, and Phil Ringnalda