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301 Moved Permanently - gcb4u.com
HTTP Status: 301
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
date: Thu, 15 May 2025 23:14:26 GMT
content-length: 0
location: https://gcb4u.com/
x-cdn-cache-status: EXPIRED
x-via: FRA1

HTTP Code 301 Moved Permanently

301 Moved Permanently means that the requested resource has been permanently moved to a new URL. All future requests should use the new address.

When is Code 301 used?

  • When changing a website domain
  • When modifying URL structures
  • When setting up redirects for SEO

What does Code 301 mean for the user?

The browser will automatically redirect the user to the new address, and search engines will update their indexes.

401 Unauthorized - https://gcb4u.com/
HTTP Status: 401
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
date: Thu, 15 May 2025 23:14:26 GMT
content-type: text/html; charset=UTF-8
transfer-encoding: chunked
server: nginx
x-stackprotect-id: 6826755699417
set-cookie: stackprotect=109e41e063599d4d88df1cfe727613c3a3aeb5f0b1a99507f38cbc5e625f8a57; expires=Fri, 16-May-2025 00:14:30 GMT; Max-Age=3600; path=/; domain=gcb4u.com; secure; HttpOnly
cache-control: Private
x-cdn-cache-status: MISS
x-via: FRA1

HTTP Code 401 Unauthorized

401 Unauthorized 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: gcb4u.com
Accept: */*
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])

<!DOCTYPE html>
<html>
    <head>
    	<meta charset="UTF-8">
	    <meta name="viewport" content="width=device-width, initial-scale=1.0">
	    <title>Security Verification</title>
	    <link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-QWTKZyjpPEjISv5WaRU9OFeRpok6YctnYmDr5pNlyT2bRjXh0JMhjY6hW+ALEwIH" crossorigin="anonymous">
    <style>
        #stackprotectform {
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .g-recaptcha {
            display: flex;
            justify-content: center;
        }
    </style>
    <script src="https://www.google.com/recaptcha/api.js?render=6LdZXJwUAAAAAE1ERIs8cDyw2wNhHNuMxBJWG0Aa"></script>
    <script>
    function stackProtect() {
	    var action = 'invisible';
	    if (action === 'invisible') {
		    grecaptcha.ready(function() {
				    grecaptcha.execute('6LdZXJwUAAAAAE1ERIs8cDyw2wNhHNuMxBJWG0Aa').then(function(token) {
						    document.getElementById('token').value = token;
						    document.getElementById('stackprotectform').submit();
						    });
				    });
	    } else {
		    document.getElementById('stackprotectform').submit();
	    }
    }
	setInterval(stackProtect, 5000);
    </script>
</head>
<body>
    <div class="container py-5">
        <div class="row justify-content-center">
            <div class="col-md-8">
                                <p class="text-center">To help us keep this website secure, please wait while we verify you're not a robot! It will only take a few seconds...</p>
                <form action="" method="post" id="stackprotectform">
                                            <div class="d-flex justify-content-center">
                            <div class="spinner-border" role="status">
                                <span class="visually-hidden">Loading...</span>
                            </div>
                        </div>
                        <input type="hidden" id="token" name="g-recaptcha-response" value="">
                                                        </form>
            </div>
        </div>
    </div>
    <script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js" integrity="sha384-YvpcrYf0tY3lHB60NNkmXc5s9fDVZLESaAA55NDzOxhy9GkcIdslK1eN7N6jIeHz" crossorigin="anonymous"></script>
</body>
</html>

Whois info of domain

Domain Name: GCB4U.COM
Registry Domain ID: 2951338667_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.one.com
Registrar URL: http://www.one.com
Updated Date: 2025-01-17T10:27:02Z
Creation Date: 2025-01-17T10:13:49Z
Registry Expiry Date: 2026-01-17T10:13:49Z
Registrar: One.com A/S
Registrar IANA ID: 1462
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +45 44451220
Domain Status: ok https://icann.org/epp#ok
Name Server: NS1.STACKDNS.COM
Name Server: NS2.STACKDNS.COM
Name Server: NS3.STACKDNS.COM
Name Server: NS4.STACKDNS.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-15T23:14:22Z <<<
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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