check web redirect url status code checker

Check server response of

Server response
NS records
Whois domain
Response headers
Request headers
Raw HTML code
502 Bad Gateway - pylb.com
HTTP Status: 502
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Mime-Version: 1.0
Date: Thu, 01 May 2025 14:31:39 GMT
Content-Type: text/html;charset=utf-8
Content-Length: 4072
Cache-Status: ovh22.perfaction.net;fwd=miss;detail=match
Connection: keep-alive

HTTP Code 502 Bad Gateway

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

<!DOCTYPE html>
<html lang="fr">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">

    <title>Page de maintenance</title>
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css">
    <style type="text/css"><!--
 		/*
 * Copyright (C) 1996-2024 The Squid Software Foundation and contributors
 *
 * Squid software is distributed under GPLv2+ license and includes
 * contributions from numerous individuals and organizations.
 * Please see the COPYING and CONTRIBUTORS files for details.
 */

/*
 Stylesheet for Squid Error pages
 Adapted from design by Free CSS Templates
 http://www.freecsstemplates.org
 Released for free under a Creative Commons Attribution 2.5 License
*/

/* Page basics */
* {
	font-family: verdana, sans-serif;
}

html body {
	margin: 0;
	padding: 0;
	background: #efefef;
	font-size: 12px;
	color: #1e1e1e;
}

/* Page displayed title area */
#titles {
/*	margin-left: 15px;    
	padding: 10px;
	padding-left: 100px;  */
	min-width: 180px;
	min-height: 180px;
	background: url('/squid-internal-static/icons/SN.png') no-repeat ;
	background-repeat: no-repeat;
  	background-position: center ; /* Center the image horizontally */
  	background-size: auto; /* Maintain aspect ratio */
}

/* initial title */
#titles h1 {
	color: #000000;
}
#titles h2 {
	color: #000000;
}

/* special event: FTP success page titles */
#titles ftpsuccess {
	background-color:#00ff00;
	width:100%;
}

/* Page displayed body content area */
#content {
	padding: 10px;
	background: #ffffff;
}

/* General text */
p {
}

/* error brief description */
#error p {
}

/* some data which may have caused the problem */
#data {
}

/* the error message received from the system or other software */
#sysmsg {
}

pre {
}

/* special event: FTP directory listing */
#dirmsg {
    font-family: courier, monospace;
    color: black;
    font-size: 10pt;
}
#dirlisting {
    margin-left: 2%;
    margin-right: 2%;
}
#dirlisting tr.entry td.icon,td.filename,td.size,td.date {
    border-bottom: groove;
}
#dirlisting td.size {
    width: 50px;
    text-align: right;
    padding-right: 5px;
}

/* horizontal lines */
hr {
	margin: 0;
}

/* page displayed footer area */
#footer {
	font-size: 9px;
	padding-left: 10px;
}

body
:lang(fa) { direction: rtl; font-size: 100%; font-family: Tahoma, Roya, sans-serif; float: right; }
:lang(he) { direction: rtl; }
 --></style>
    <style>
        body {
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            align-items: center;
            justify-content: center;
            background-color: #f8f9fa;
        }
        .logo {
            width: 200px; /* Ajustez la largeur selon votre logo */
            height: auto;
            margin-bottom: 50px;
        }
    footer {
      /* Footer styles */
      position: fixed;
      left: 0;
      bottom: 0;
      width: 100%;
      text-align: center;
      padding: 10px;
      background-color: #e9ecef;
    }
    </style>


</head>
<body id="ERR_READ_ERROR">
    <div class="container text-center">
	<div id="titles">&nbsp;
	</div>
	<p></p>
        <h2>Nous sommes en maintenance</h2>
        <p>Merci de revenir plus tard.</p>
        <h4>We are under maintenance, please come back later.</h4>
	<p></p>
<p>Nous sommes parfaitement conscients de la gêne occasionée, et</p>
<p>nous vous assurons que nos équipes techniques sont mobilisées</p>
<p>pour rétablir le service au plus vite.</p>
<p>Nous vous prions de bien vouloir nous excuser.</p>

	<h5>WARNING!</h5>
	<p>But we want to inform you that any abusive use of our platform, any suspicious behavior detected following too many errors, will cause the automatic ban of your IP 135.181.60.100.</p>
    </div>
  <footer>
    <p>01/May/2025:16:31:39 +0200. The requested URL "GET http://pylb.com/" could not be retrieved: [No Error].</p>
  </footer>
    <script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js"></script>
</body>
</html>

Whois info of domain

Domain Name: PYLB.COM
Registry Domain ID: 122821324_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://networksolutions.com
Updated Date: 2023-07-03T20:11:34Z
Creation Date: 2004-06-18T13:12:33Z
Registry Expiry Date: 2026-06-18T13:12:33Z
Registrar: Network Solutions, LLC
Registrar IANA ID: 2
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +1.8777228662
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS1.AMEN.FR
Name Server: NS2.AMEN.FR
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-01T14:31:27Z <<<
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