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 - hg9vb.com
HTTP Status: 301
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Date: Fri, 02 May 2025 08:01:39 GMT
Content-Type: text/html
Content-Length: 166
Connection: keep-alive
Location: https://hg9vb.com/
Server: nginx

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.

502 Bad Gateway - https://hg9vb.com/
HTTP Status: 502
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Date: Fri, 02 May 2025 08:01:40 GMT
Content-Type: text/html;charset=utf-8
Transfer-Encoding: chunked
Connection: keep-alive
Strict-Transport-Security: max-age=31536000
Server: nginx

HTTP Code 502 Bad Gateway

502 Bad Gateway indicates that the server acting as a gateway or proxy received an invalid response from an upstream server.

When is Code 502 used?

  • When a server is down or unreachable
  • When there is a misconfiguration in server settings
  • When a reverse proxy or load balancer fails to connect to the backend server

What does Code 502 mean for the user?

The user cannot access the requested resource due to a temporary issue between servers.

GET / HTTP/1.1
Host: hg9vb.com
Accept: */*
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])

<!DOCTYPE html>
<!--[if lt IE 7]> <html class="no-js ie6 oldie" lang="en-US"> <![endif]-->
<!--[if IE 7]>    <html class="no-js ie7 oldie" lang="en-US"> <![endif]-->
<!--[if IE 8]>    <html class="no-js ie8 oldie" lang="en-US"> <![endif]-->
<!--[if gt IE 8]><!--> <html class="no-js" lang="en-US"> <!--<![endif]-->
<head>
<title>网站请求出错</title>
<meta charset="UTF-8" />
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=Edge,chrome=1" />
<meta name="robots" content="noindex, nofollow" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<style>
*, body, html {
    margin: 0;
    padding: 0;
}

body, html {
    --text-opacity: 1;
    color: #404040;
    color: rgba(64,64,64,var(--text-opacity));
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-family: system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji;
    font-size: 16px;
}
* {
    box-sizing: border-box;
}
html[Attributes Style] {
    -webkit-locale: "en-US";
}
.p-0 {
    padding: 0;
}


.w-240 {
    width: 60rem;
}

.antialiased {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
.pt-10 {
    padding-top: 2.5rem;
}
.mb-15 {
    margin-bottom: 3.75rem;
}
.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.text-black-dark {
    --text-opacity: 1;
    color: #404040;
    color: rgba(64,64,64,var(--text-opacity));
}

.mr-2 {
    margin-right: .5rem;
}
.leading-tight {
    line-height: 1.25;
}
.text-60 {
    font-size: 60px;
}
.font-light {
    font-weight: 300;
}
.inline-block {
    display: inline-block;
}

.text-15 {
    font-size: 15px;
}
.font-mono {
    font-family: monaco,courier,monospace;
}
.text-gray-600 {
    --text-opacity: 1;
    color: #999;
    color: rgba(153,153,153,var(--text-opacity));
}
.leading-1\.3 {
    line-height: 1.3;
}
.text-3xl {
    font-size: 1.875rem;
}

.mb-8 {
    margin-bottom: 2rem;
}

.w-1\/2 {
    width: 50%;
}

.mt-6 {
    margin-top: 1.5rem;
}

.mb-4 {
    margin-bottom: 1rem;
}


.font-normal {
    font-weight: 400;
}

#what-happened-section p {
    font-size: 15px;
    line-height: 1.5;
}

</style>

</head>
<body>
  <div id="cf-wrapper">
    <div id="cf-error-details" class="p-0">
      <header class="mx-auto pt-10 lg:pt-6 lg:px-8 w-240 lg:w-full mb-15 antialiased">
         <h1 class="inline-block md:block mr-2 md:mb-2 font-light text-60 md:text-3xl text-black-dark leading-tight">
           <span data-translate="error">Error</span>
           <span>502</span>
         </h1>
         <span class="inline-block md:block heading-ray-id font-mono text-15 lg:text-sm lg:leading-relaxed">您的IP: 135.181.60.100 &bull;</span>
         <span class="inline-block md:block heading-ray-id font-mono text-15 lg:text-sm lg:leading-relaxed">节点IP: 103.115.49.36</span>
        <h2 class="text-gray-600 leading-1.3 text-3xl lg:text-2xl font-light">回源请求被中断</h2>
      </header>

      <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">什么问题?</h2>
            <p>CDN节点请求源服务器时，请求被源服务器防火墙中断。</p>
            
          </div>

          
          <div id="resolution-copy-section" class="w-1/2 mt-6 text-15 leading-normal">
            <h2 class="text-3xl leading-tight font-normal mb-4 text-black-dark antialiased" data-translate="what_can_i_do">如何解决?</h2>
            <p>如果您是网站用户，请稍候重试，或者联系管理员。</p>
            <p>如果您是网站管理员，请检查您的源服务器防火墙是否拉黑了CDN的节点，检查CDN网站配置的回源协议和回源端口是否正确。</p>
          </div>
          
      </section>

      <div class="cf-error-footer cf-wrapper w-240 lg:w-full py-10 sm:py-4 sm:px-8 mx-auto text-center sm:text-left border-solid border-0 border-t border-gray-300">

</div><!-- /.error-footer -->


    </div><!-- /#cf-error-details -->
  </div><!-- /#cf-wrapper -->


</body>
</html>

Whois info of domain

Domain Name: HG9VB.COM
Registry Domain ID: 2937857644_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.PublicDomainRegistry.com
Registrar URL: http://www.publicdomainregistry.com
Updated Date: 2025-01-08T22:59:31Z
Creation Date: 2024-11-28T18:09:35Z
Registry Expiry Date: 2025-11-28T18:09:35Z
Registrar: PDR Ltd. d/b/a PublicDomainRegistry.com
Registrar IANA ID: 303
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +1.2013775952
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS7.ALIDNS.COM
Name Server: NS8.ALIDNS.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-02T08:01:25Z <<<
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