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401 Unauthorized - btkt.com
HTTP Status: 401
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Content-Type: text/html; charset=utf-8
Content-Length: 1995
Connection: keep-alive
X-WS-RateLimit-Limit: 1000
X-WS-RateLimit-Remaining: 999
Cache-Control: private
Server: Microsoft-IIS/10.0
X-AspNet-Version: 4.0.30319
X-Powered-By: ASP.NET
WWW-Authenticate: Basic realm="win.host"
Date: Mon, 19 May 2025 04:45:45 GMT

HTTP Code 401 Unauthorized

401 status code means that access to the requested resource requires authentication.

When is Code 401 used?

  • When accessing a restricted page without login credentials
  • When an API request lacks valid authentication tokens

What does Code 401 mean for the user?

The user must log in or provide valid credentials to access the resource.

GET / HTTP/1.1
Host: btkt.com
Accept: */*
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])

<!DOCTYPE html>
<html>
    <head>
        <title>Access is denied.</title>
        <meta name="viewport" content="width=device-width" />
        <style>
         body {font-family:"Verdana";font-weight:normal;font-size: .7em;color:black;} 
         p {font-family:"Verdana";font-weight:normal;color:black;margin-top: -5px}
         b {font-family:"Verdana";font-weight:bold;color:black;margin-top: -5px}
         H1 { font-family:"Verdana";font-weight:normal;font-size:18pt;color:red }
         H2 { font-family:"Verdana";font-weight:normal;font-size:14pt;color:maroon }
         pre {font-family:"Consolas","Lucida Console",Monospace;font-size:11pt;margin:0;padding:0.5em;line-height:14pt}
         .marker {font-weight: bold; color: black;text-decoration: none;}
         .version {color: gray;}
         .error {margin-bottom: 10px;}
         .expandable { text-decoration:underline; font-weight:bold; color:navy; cursor:pointer; }
         @media screen and (max-width: 639px) {
          pre { width: 440px; overflow: auto; white-space: pre-wrap; word-wrap: break-word; }
         }
         @media screen and (max-width: 479px) {
          pre { width: 280px; }
         }
        </style>
    </head>

    <body bgcolor="white">

            <span><H1>Server Error in '/' Application.<hr width=100% size=1 color=silver></H1>

            <h2> <i>Access is denied.</i> </h2></span>

            <font face="Arial, Helvetica, Geneva, SunSans-Regular, sans-serif ">

            <b> Description: </b>An error occurred while accessing the resources required to serve this request. You might not have permission to view the requested resources.
            <br><br>

            <b> Error message 401.3: </b>You do not have permission to view this directory or page using the credentials you supplied (access denied due to Access Control Lists). Ask the Web server's administrator to give you access.<br><br>

            </font>

    </body>
</html>

Whois info of domain

Domain Name: BTKT.COM
Registry Domain ID: 106314447_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.ionos.com
Registrar URL: http://www.ionos.com
Updated Date: 2024-11-09T08:30:42Z
Creation Date: 2003-11-08T18:52:43Z
Registry Expiry Date: 2025-11-08T18:52:43Z
Registrar: IONOS SE
Registrar IANA ID: 83
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +1.6105601459
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS1118.UI-DNS.BIZ
Name Server: NS1118.UI-DNS.COM
Name Server: NS1118.UI-DNS.DE
Name Server: NS1118.UI-DNS.ORG
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-19T04:45:27Z <<<
For more information on Whois status codes, please visit https://icann.org/epp
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