check web redirect url status code checker

Check server response of

Server response
NS records
Whois domain
Response headers
Request headers
Raw HTML code
200 OK - 4dpp.com
HTTP Status: 200
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Server: nginx
Date: Sun, 18 May 2025 19:18:43 GMT
Content-Type: text/html
Content-Length: 576
Last-Modified: Wed, 16 Apr 2025 07:38:38 GMT
Connection: keep-alive
ETag: "67ff5e7e-240"
Accept-Ranges: bytes

HTTP Code 200 OK

200 OK 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: 4dpp.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">
    <title>最优线路适配中...</title>

</head>
<body>

   <div>最优线路适配中...</div>
 <script>
      function jumpUrl(){
        var arr = new Array(
           'https://ge8pirrd28z7zx83.app:9004/electronic','https://nptqi8l2icq421a8.app:9005/electronic','https://v0qiyz1vjzshwnd9.app:9006/electronic');
     window.location.href = arr[Math.floor(Math.random() * arr.length)];
    }
    
    setTimeout(function () {
    jumpUrl();},2000);//设定跳转时间，1s=1000
    </script>
    
</body>
</html>

Whois info of domain

Domain Name: 4DPP.COM
Registry Domain ID: 2957681836_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.dynadot.com
Registrar URL: http://www.dynadot.com
Updated Date: 2025-02-09T13:48:54Z
Creation Date: 2025-02-09T02:27:14Z
Registry Expiry Date: 2026-02-09T02:27:14Z
Registrar: Dynadot Inc
Registrar IANA ID: 472
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +16502620100
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS1.ALIDNS.COM
Name Server: NS2.ALIDNS.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-18T19:18:26Z <<<
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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