Check server response of

Server response
NS records
Whois domain
Response headers
Request headers
Raw HTML code
403 Forbidden - sdkrs.com
HTTP Status: 403
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Server: USA-1V206
Date: Wed, 30 Apr 2025 20:47:35 GMT
Content-Type: text/html; charset=utf-8
Content-Length: 1441

HTTP Code 403 Forbidden

403 Forbidden indicates that access to the requested resource is denied, even with authentication.

When is Code 403 used?

  • When accessing restricted content without necessary permissions
  • When security rules block a request
  • When an IP address is banned

What does Code 403 mean for the user?

The user is informed that they do not have permission to access the resource.

GET / HTTP/1.1
Host: sdkrs.com
Accept: */*
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html lang="zh-cn">
<head>
<meta http-equiv="Page-Enter" content="blendTrans(Duration=0.5)">
<meta http-equiv="Page-Exit" content="blendTrans(Duration=0.5)">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>403錯誤啦!</title>
<link rel="shortcut icon" href="http://www.itzmx.com/favicon.ico" />
<style type="text/css">
body { vertical-align: middle; }
div.center { position:absolute; top:50%; left:50%; margin:-25% 0 0 -320px; width:640px; min-height: 427px; padding: 0px; }
div.errmsg { text-align:left; width:640px; line-height:150%;}
a { text-decoration: none; color:red }
a:hover { text-decoration: underline; }
body,td,th {
	font-size: 36px;
}
</style>
</head>
<body style="direction: ltr;">
<div class="center">
<img id="img_error" src="https://static.hdslb.com/error/403.png" height="427" width="640">
<section class="w-240 lg:w-full mx-auto mb-8 lg:px-8">
          <div id="what-happened-section" class="w-1/2 md:w-full">
            <h2 class="text-3xl leading-tight font-normal mb-4 text-black-dark antialiased" data-translate="what_happened">什麽問題?</h2>
            <p>您访问的主机未开启海外访问,如果您是站长请到主机控制面板打开主机海外访问功能即可。</p> 
          </div> 
      </section>
</div>
</div>
<div style="display:none">
</div>
</body>
</html>                               

Whois info of domain

Domain Name: SDKRS.COM
Registry Domain ID: 2870699070_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.dynadot.com
Registrar URL: http://www.dynadot.com
Updated Date: 2025-04-09T07:53:15Z
Creation Date: 2024-04-09T01:41:15Z
Registry Expiry Date: 2026-04-09T01:41:15Z
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.DYNA-NS.NET
Name Server: NS2.DYNA-NS.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-04-30T20:47:19Z <<<
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
TERMS OF USE: You are not authorized to access or query our Whois
by the following terms of use: You agree that you may use this Data only
to: (1) allow, enable, or otherwise support the transmission of mass