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301 Moved Permanently - ftrcs.com
HTTP Status: 301
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Date: Sun, 11 May 2025 09:23:48 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: keep-alive
Location: https://ftrcs.com/
Strict-Transport-Security: max-age=31536000
cf-cache-status: DYNAMIC
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=qVw9Kdb3LlA5VchG%2Fe57MbfIwDsLYOvJGJ3VIRtnxqNCHWMKSbOGQO9b05QiZt%2Bg%2FJbLK1Y9EBKPQ8Y2pyLU3zOuurofhPnvTXteDuyIm%2FP2tO9FAxkZKWt4VrkRgprFwZuls%2Bk5coU%3D"}],"group":"cf-nel","max_age":604800}
NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Server: cloudflare
CF-RAY: 93e09e9c094b8f5b-CPH
alt-svc: h3=":443"; ma=86400
server-timing: cfL4;desc="?proto=TCP&rtt=16296&min_rtt=16296&rtt_var=8148&sent=1&recv=3&lost=0&retrans=0&sent_bytes=0&recv_bytes=165&delivery_rate=0&cwnd=249&unsent_bytes=0&cid=0000000000000000&ts=0&x=0"

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.

404 Not Found - https://ftrcs.com/
HTTP Status: 404
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Date: Sun, 11 May 2025 09:23:50 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
Server: cloudflare
Vary: Accept-Encoding
Cf-Cache-Status: DYNAMIC
Nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=HmGvSNG5mRfh4BBg0wBpluR4nojJnIXMkcxx7J12Y%2BbXnxVPk6sbSp0srPf5KP0eLFT1izC1MlLpnr0lKRQ2Va3ubYaFqQ4Dgcv9j94y5P%2Fbs0Pt5CEgxfPcpaqrl5Za4fSa0l9JRpc%3D"}]}
CF-RAY: 93e09ea33d683570-CPH
alt-svc: h3=":443"; ma=86400

HTTP Code 404 Not Found

404 Not Found 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: ftrcs.com
Accept: */*
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])

<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>404 - 页面未找到</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            background-color: #f9f9f9;
            color: #333;
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .container {
            text-align: center;
            padding: 40px;
            max-width: 600px;
            background-color: white;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
        }
        h1 {
            font-size: 120px;
            margin-bottom: 20px;
            color: #3498db;
            font-weight: 900;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
        }
        h2 {
            font-size: 28px;
            margin-bottom: 20px;
            color: #2c3e50;
        }
        p {
            font-size: 18px;
            line-height: 1.6;
            margin-bottom: 20px;
            color: #7f8c8d;
        }
        .btn {
            display: inline-block;
            padding: 12px 30px;
            background-color: #3498db;
            color: white;
            text-decoration: none;
            border-radius: 30px;
            font-weight: bold;
            border: none;
            font-size: 16px;
            cursor: pointer;
            margin-top: 20px;
            box-shadow: 0 4px 10px rgba(52, 152, 219, 0.3);
        }
        .home-link {
            margin-top: 20px;
            display: inline-block;
        }
        .home-link a {
            color: #3498db;
            text-decoration: none;
        }
        .home-link a:hover {
            text-decoration: underline;
        }
        @media (max-width: 768px) {
            .container {
                padding: 30px;
                margin: 0 20px;
            }
            
            h1 {
                font-size: 80px;
            }
            
            h2 {
                font-size: 22px;
            }
            
            p {
                font-size: 16px;
            }
        }
    </style>
</head>
<body>
    <div class="container">
        <h1>404</h1>
        <h2>页面未找到</h2>
        <p>很抱歉，您访问的页面不存在或已被移除。</p>

    </div>
<script type="text/javascript" src="//js.users.51.la/21957701.js"></script>
</body>
</html>

Whois info of domain

Domain Name: FTRCS.COM
Registry Domain ID: 1628832515_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.godaddy.com
Registrar URL: http://www.godaddy.com
Updated Date: 2024-04-08T07:58:56Z
Creation Date: 2010-12-05T13:37:04Z
Registry Expiry Date: 2025-12-05T13:37:04Z
Registrar: GoDaddy.com, LLC
Registrar IANA ID: 146
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: 480-624-2505
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientRenewProhibited https://icann.org/epp#clientRenewProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Name Server: MAGDALENA.NS.CLOUDFLARE.COM
Name Server: RUBEN.NS.CLOUDFLARE.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-11T09:23:34Z <<<
For more information on Whois status codes, please visit https://icann.org/epp
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