check web redirect url status code checker

Check server response of

Server response
NS records
Whois domain
Response headers
Request headers
Raw HTML code
404 Not Found - ndx11.com
HTTP Status: 404
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Connection: Keep-Alive
Keep-Alive: timeout=5, max=100
cache-control: private, no-cache, no-store, must-revalidate, max-age=0
pragma: no-cache
content-type: text/html
content-length: 796
date: Sun, 11 May 2025 08:47:02 GMT
vary: User-Agent

HTTP Code 404 Not Found

404 status code means that the requested page or resource was not found on the server.

When is Code 404 used?

  • When a page is deleted
  • When the URL is incorrect
  • When there are navigation issues on the website

What does Code 404 mean for the user?

The user sees an error message, and search engines may remove the page from their index.

GET / HTTP/1.1
Host: ndx11.com
Accept: */*
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])

<!DOCTYPE html>
<html style="height:100%">
<head>
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no" />
<title> 404 Not Found
</title><style>@media (prefers-color-scheme:dark){body{background-color:#000!important}}</style></head>
<body style="color: #444; margin:0;font: normal 14px/20px Arial, Helvetica, sans-serif; height:100%; background-color: #fff;">
<div style="height:auto; min-height:100%; ">     <div style="text-align: center; width:800px; margin-left: -400px; position:absolute; top: 30%; left:50%;">
        <h1 style="margin:0; font-size:150px; line-height:150px; font-weight:bold;">404</h1>
<h2 style="margin-top:20px;font-size: 30px;">Not Found
</h2>
<p>The resource requested could not be found on this server!</p>
</div></div></body></html>

Whois info of domain

Domain Name: NDX11.COM
Registry Domain ID: 1331763145_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.PublicDomainRegistry.com
Registrar URL: http://www.publicdomainregistry.com
Updated Date: 2024-11-02T07:45:33Z
Creation Date: 2007-11-13T05:34:11Z
Registry Expiry Date: 2025-11-13T05:34:11Z
Registrar: PDR Ltd. d/b/a PublicDomainRegistry.com
Registrar IANA ID: 303
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +1.2013775952
Domain Status: ok https://icann.org/epp#ok
Name Server: NS55.NDX11.COM
Name Server: NS66.NDX11.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-11T08:46:48Z <<<
For more information on Whois status codes, please visit https://icann.org/epp
NOTICE: The expiration date displayed in this record is the date the
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