why won't this web request go thru for valid website
<p>Given the following why are the websites <strong>Not</strong> valid? I'm getting the follwoing error message.</p>

<pre><code>try {
  HttpWebRequest webReq = (HttpWebRequest)WebRequest.Create(@"http://wrtire1.tru-m.com/");
  //2 websites that do this
  // http://wrtire1.tru-m.com/
  // http://acuraofaugusta.mobi/index.htm
  webReq.Method = "HEAD";     
  HttpWebResponse webRes = (HttpWebResponse)webReq.GetResponse();

  if (webRes.StatusCode == HttpStatusCode.OK) 
    Label1.Text = true.ToString();
} catch (Exception e) {
  Label1.Text = "The remote server returned an error: (403) Forbidden. ";
  // or I got this: The remote server returned an error: (500) Internal Server Error.
}
</code></pre>

<p><strong>I received this error message</strong></p>

<blockquote>
  <p>The remote server returned an error: (500) Internal Server Error.</p>
</blockquote>
