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301 Moved Permanently - duexr.com
HTTP Status: 301
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Date: Wed, 14 May 2025 12:19:05 GMT
Content-Type: text/html
Content-Length: 167
Connection: keep-alive
Cache-Control: max-age=3600
Expires: Wed, 14 May 2025 13:19:05 GMT
Location: https://duexr.com/
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=hqVRGp%2FEuysk2PVylgFMcbrv45nRMwr8sTYN%2BekiPZD%2F7XxnIf6K3eml8wRNM6m1%2BFY%2B2cjE5y0uXue0UkFh6u5KxJlxIXR2jkhRtK5g1RyMIavETtTEKRO004lGq1unhcB5WBpklCo%3D"}],"group":"cf-nel","max_age":604800}
NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Server: cloudflare
CF-RAY: 93fa57864da1fb81-AMS
alt-svc: h3=":443"; ma=86400
server-timing: cfL4;desc="?proto=TCP&rtt=27037&min_rtt=27037&rtt_var=13518&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 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://duexr.com/
HTTP Status: 200
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Date: Wed, 14 May 2025 12:19:05 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: keep-alive
Cf-Cache-Status: DYNAMIC
Server: cloudflare
Vary: Accept-Encoding
Access-Control-Allow-Origin: *
Cache-Control: public, max-age=0, must-revalidate
Referrer-Policy: strict-origin-when-cross-origin
X-Content-Type-Options: nosniff
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=Pfms6dY4gYEUjWe1cXSxN1EFJqxbvEdovIBGLh22F0WTVtFro%2Fw5G8aKOZhRhtwJcwPWENQi51E8APocIzP3vVTDQd28ScNv%2BugFNMa0JJ%2FSyftzHlTHScegJhce%2BibOEJmpcHpwfdg%3D"}],"group":"cf-nel","max_age":604800}
Nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
CF-RAY: 93fa57871f377284-HAM

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: duexr.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">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <!-- <meta name="viewport" content="width=device-width, initial-scale=1.0"> -->
    <meta name="viewport"
        content="user-scalable=0, width=device-width, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0, viewport-fit=cover" />
    <meta name="apple-mobile-web-app-capable" content="yes">
    <meta name="mobile-web-app-capable" content="yes">
    <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
    <link id="appIcon" rel="apple-touch-icon" sizes="114x114" />
    <title></title>
</head>

<body>

</body>
<script>
    //设置桌面图标
    let appIcon = document.getElementById('appIcon');
    appIcon.href = window.location.protocol + "//" + window.location.host + '/upload/logo.png';
    // 判断是移动端还是PC端
    function isPC() {
        if ((navigator.userAgent.match(
            /(phone|pad|pod|iPhone|iPod|ios|iPad|Android|Mobile|BlackBerry|IEMobile|MQQBrowser|JUC|Fennec|wOSBrowser|BrowserNG|WebOS|Symbian|Windows Phone)/i
        ))) {
            return false;
        } else {
            return true;
        }
    }
    function getQueryString(name) {
        var reg = new RegExp('(^|&)' + name + '=([^&]*)(&|$)', 'i');
        var r = window.location.search.substr(1).match(reg);
        if (r != null) {
            return unescape(r[2]);
        }
        return null;
    }
    if (isPC()) {
        // PC端地址
        if (window.location.href.indexOf('?code=') > -1) {
            // 分享链接过来的，跳去注册页面
            window.location.replace('./pc/index.html#/register?code=' + getQueryString('code'));
        }else {
            window.location.replace('./pc/index.html');
        }
    } else {
        // 手机端地址
        if (window.location.href.indexOf('?code=') > -1) {
            // 分享链接过来的，跳去注册页面
            window.location.replace('./h5/index.html#/register?code=' + getQueryString('code'));
        }else {
            window.location.replace('./h5/index.html');
        }
        // var newWindow = window.open('http://www.example.com', '_blank');
        // newWindow.document.head.insertAdjacentHTML('beforeend', '<meta name="apple-mobile-web-app-capable" content="yes">');
    }
</script>

</html>

Whois info of domain

Domain Name: DUEXR.COM
Registry Domain ID: 2976338263_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.name.com
Registrar URL: http://www.name.com
Updated Date: 2025-04-19T03:02:02Z
Creation Date: 2025-04-18T20:32:01Z
Registry Expiry Date: 2026-04-18T20:32:01Z
Registrar: Name.com, Inc.
Registrar IANA ID: 625
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: 7202492374
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: GERARDO.NS.CLOUDFLARE.COM
Name Server: MARLOWE.NS.CLOUDFLARE.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-14T12:18:55Z <<<
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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