check web redirect url status code checker

Check server response of

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NS records
Whois domain
Response headers
Request headers
Raw HTML code
400 Bad Request - grbzo.com
HTTP Status: 400
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Date: Sat, 03 May 2025 09:37:41 GMT
Server: Apache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips
Cache-Control: no-store, no-cache, must-revalidate, max-age=0, post-check=0, pre-check=0
Pragma: no-cache
Connection: close
Transfer-Encoding: chunked
Content-Type: text/html; charset=UTF-8

HTTP Code 400 Bad Request

400 Bad Request indicates that the server cannot process the request due to client error.

When is Code 400 used?

  • When the request is malformed or contains invalid parameters
  • When required data is missing in the request
  • When sending an incorrect JSON or XML payload

What does Code 400 mean for the user?

The user receives an error message indicating that their request is incorrect and needs to be fixed.

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

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<META NAME="ROBOTS" CONTENT="NOINDEX, NOFOLLOW">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1.0, user-scalable=no">
<link rel='stylesheet' href='https://www.slicktext.com/styles/font.css' type='text/css' />
<link rel='stylesheet' href='https://www.slicktext.com/styles/main.css' type='text/css' />
<link rel='stylesheet' href='https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css' type='text/css' />
<style type="text/css">
	body{
		overflow:hidden;
		background-color: #f1f5f9;
		font-size:16px;	
	}
	
	#invalidContainer{
		text-align:center;
		overflow:hidden;
		width:100%;
		padding:20px;
		position: fixed;
		top: 50%;
		left: 50%;
		transform: translate(-50%, -50%);	
	}
	
	#invalidContainer span.fa{
		font-size:46px;	
	}
	
	#invalidContainer h1{
		font-weight:900;
		font-size:28px;
		text-align:center;
		color:#292F3A;	
	}
</style>
<title>Invalid Link</title>
</head>
<body>
    <div id="invalidContainer">
        <span class="fa fa-chain-broken" aria-hidden="true"></span>
        <h1>Invalid Link</h1>
        <p>The link you are following is either non-existant or no longer valid.</p>
    </div>
</body>
</html>

Whois info of domain

Domain Name: GRBZO.COM
Registry Domain ID: 2509778777_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.cloudflare.com
Registrar URL: http://www.cloudflare.com
Updated Date: 2025-03-01T04:15:44Z
Creation Date: 2020-03-31T21:42:43Z
Registry Expiry Date: 2026-03-31T21:42:43Z
Registrar: Cloudflare, Inc.
Registrar IANA ID: 1910
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +1.6503198930
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: ADI.NS.CLOUDFLARE.COM
Name Server: RAJEEV.NS.CLOUDFLARE.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-03T09:37:34Z <<<
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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