check web redirect url status code checker

Check server response of

Server response
NS records
Whois domain
Response headers
Request headers
Raw HTML code
403 Forbidden - 2cra.com
HTTP Status: 403
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Date: Wed, 14 May 2025 04:31:47 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: keep-alive
Vary: Accept-Encoding
cf-cache-status: DYNAMIC
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=Z9uDI1leOSdERgAGAphWRdhuGOl9qYuqRJs%2FmPJnvEWf0UC30WxVsLMMzpX%2FOC367OFSxb40Vfg%2B4Mfrxaf8afhfH5qcGd%2FAOrOj5RqYPO18suLu2kzagjW3zjiaXLf4X8Fwkdjw0w%3D%3D"}],"group":"cf-nel","max_age":604800}
NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Server: cloudflare
CF-RAY: 93f7aafed806c9fa-ARN
alt-svc: h3=":443"; ma=86400
server-timing: cfL4;desc="?proto=TCP&rtt=7575&min_rtt=7575&rtt_var=3787&sent=1&recv=3&lost=0&retrans=0&sent_bytes=0&recv_bytes=164&delivery_rate=0&cwnd=250&unsent_bytes=0&cid=0000000000000000&ts=0&x=0"

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: 2cra.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>宝塔网站防火墙免费版</title>
<style>
*{margin:0;padding:0;color:#444}
body{font-size:14px;font-family:"宋体"}
.main{width:600px;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">宝塔网站防火墙免费版</div>
		<div class="content">
			<p class="t1">您的请求带有不合法参数，已被网站管理员设置拦截！</p>
			<p class="t2">可能原因：</p>
			<ol>
				<li>您提交的内容包含危险的攻击请求</li>
			</ol>
			<p class="t2">如何解决：</p>
			<ol>
				<li>检查提交内容；</li>
				<li>如网站托管，请联系空间提供商；</li>
				<li>普通网站访客，请联系网站管理员；</li>
				<li>这是误报，请联系宝塔 <a href="http://www.bt.cn/bbs" target="_brank">http://www.bt.cn/bbs</a></li>
			</ol>
		</div>
	</div>
</body>
</html>

Whois info of domain

Domain Name: 2CRA.COM
Registry Domain ID: 2670716380_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.namesilo.com
Registrar URL: http://www.namesilo.com
Updated Date: 2025-01-25T11:17:31Z
Creation Date: 2022-01-25T07:48:01Z
Registry Expiry Date: 2026-01-25T07:48:01Z
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: HOPE.NS.CLOUDFLARE.COM
Name Server: MERLIN.NS.CLOUDFLARE.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-14T04:31:25Z <<<
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