check web redirect url status code checker

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Response headers
Request headers
Raw HTML code
403 Forbidden - hn811.com
HTTP Status: 403
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Server: nginx
Date: Mon, 19 May 2025 05:11:35 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: keep-alive
Vary: Accept-Encoding

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: hn811.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>aaPanel Website Firewall Free Edition</title>
<style>
*{margin:0;padding:0;color:#444}
body{font-size:14px;font-family:"宋体"}
.main{width:700px;margin:10% auto;}
.title{background: #20a53a;color: #fff;font-size: 16px;height: 40px;line-height: 40px;padding-left: 20px;}
.content{background-color:#f3f7f9; height:280px;border:1px dashed #c6d9b6;padding:20px}
.t1{border-bottom: 1px dashed #c6d9b6;color: #ff4000;font-weight: bold; margin: 0 0 20px; padding-bottom: 18px;}
.t2{margin-bottom:8px; font-weight:bold}
ol{margin:0 0 20px 22px;padding:0;}
ol li{line-height:30px}
</style>
</head>

<body>
	<div class="main">
		<div class="title">aaPanel Website Firewall Free Edition</div>
		<div class="content">
			<p class="t1">Your request has an illegal parameter and has been blocked by the webmaster settings!</p>
			<p class="t2">Possible reason: </p>
			<ol>
				<li>Your submission contains dangerous attack requests</li>
			</ol>
			<p class="t2">How to solve: </p>
			<ol>
				<li>Check the submission;</li>
				<li>If the website is hosted, please contact the space provider;</li>
				<li>For ordinary website visitors, please contact the webmaster;</li>
				<li>This is a false positive, please contact the aaPanel <a href="https://forum.aapanel.com/" target="_brank">https://forum.aapanel.com/</a></li>
			</ol>
		</div>
	</div>
</body>
</html>

Whois info of domain

Domain Name: HN811.COM
Registry Domain ID: 1981042255_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.namesilo.com
Registrar URL: http://www.namesilo.com
Updated Date: 2023-12-26T14:48:04Z
Creation Date: 2015-11-17T07:27:00Z
Registry Expiry Date: 2025-11-17T07:27:00Z
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: ROAN.NS.CLOUDFLARE.COM
Name Server: SREENI.NS.CLOUDFLARE.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-19T05:11:24Z <<<
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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