check web redirect url status code checker

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NS records
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Response headers
Request headers
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301 Moved Permanently - c424.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 18:54:23 GMT
Content-Type: text/html
Content-Length: 166
Connection: keep-alive
Location: https://c424.com/
Server: UDomain.com.hk-CDN
Strict-Transport-Security: max-age=31536000

HTTP Code 301 Moved Permanently

301 status code 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.

200 OK - https://c424.com/
HTTP Status: 200
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Date: Thu, 15 May 2025 18:54:24 GMT
Content-Type: text/html
Content-Length: 1223
Connection: keep-alive
Server: UDomain.com.hk-CDN
Last-Modified: Thu, 03 Apr 2025 04:30:32 GMT
Vary: Accept-Encoding
ETag: "67ee0ee8-4c7"
X-Cache-Status: HIT
Strict-Transport-Security: max-age=31536000
Accept-Ranges: bytes

HTTP Code 200 OK

200 status code is a standard successful HTTP server response. It means that the client’s request (e.g., from a browser) was successfully processed, and the server is delivering the requested data.

When is Code 200 used?

  • When loading a web page
  • When successfully receiving an API response
  • When processing a form or another HTTP request

What does Code 200 mean for the user?

The user receives content without errors, and the page or application functions properly. If Code 200 is accompanied by data, the browser or program processes and displays it to the user.

GET / HTTP/1.1
Host: c424.com
Accept: */*
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
	<!--让iframe自适应移动端或者pc端 -->
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	
    <title>恭喜发财</title>
    <style>
        /* 设置body和html的高度为100%，以便于iFrame可以扩展到全屏 */
        html, body {
            margin: 0;
            padding: 0;
            width: 100%;
            height: 100%;
            overflow: hidden; /* 防止滚动条出现 */
        }

        /* 设置iFrame样式，使其占满整个屏幕 */
        .fullscreen-iframe {
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            top: 0;
            border: none; /* 移除边框 */
            width: 100%; /* 宽度设置为100% */
            height: 100%; /* 高度设置为100% */
        }
    </style>

</head>
<body>	
    <!-- 创建一个全屏的iFrame -->
    <iframe src="./main.html" class="fullscreen-iframe" style="max-width: 100%;max-height: 100%;border: none;overflow: hidden;">
        <!-- 为不支持iFrame的浏览器提供一个备选内容 -->
        <p>您的浏览器不支持iFrame。</p>
    </iframe>
</body>
</html>

Whois info of domain

Domain Name: C424.COM
Registry Domain ID: 2865173481_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.tucows.com
Registrar URL: http://www.tucows.com
Updated Date: 2025-02-22T12:23:47Z
Creation Date: 2024-03-20T05:58:08Z
Registry Expiry Date: 2026-03-20T05:58:08Z
Registrar: Tucows Domains Inc.
Registrar IANA ID: 69
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +1.4165350123
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Name Server: NS304.DNSEVER.COM
Name Server: NS325.DNSEVER.COM
Name Server: NS352.DNSEVER.COM
Name Server: NS372.DNSEVER.COM
Name Server: NS390.DNSEVER.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-15T18:54:05Z <<<
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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