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 - itmdt.com
HTTP Status: 403
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Server: F-WEB
Date: Sat, 03 May 2025 14:06:44 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 3055
Connection: keep-alive
Vary: Accept-Encoding
Vary: Accept-Encoding
Origin-Agent-Cluster: ?0

HTTP Code 403 Forbidden

http status code 403 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: itmdt.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">
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<title>系统提示</title>
<style type="text/css" media="screen,print" >
body{ background:#F9F9F9;margin: 0px;font-family:"微软雅黑","宋体"; font-size:12px;}
.box{width: 100%;margin: 0 auto;height: auto}
.box .titleContent { width: 100%;border-bottom-color: #e3e3e3;line-height:50px; background-color: #FFF;border-bottom-style: solid;border-bottom-width: 1px;}
.box .titleContent .title{width:300px;height:50px;margin-left:15%;padding-top:20px; padding:2px;  font-family:"微软雅黑"; font-size:20px;color: #4266b2;}
.box .content{width:700px;height:auto;margin:0 auto; border-top-color: #fff;background-color: #f9f9f9;border-top-style: solid;border-top-width: 1px; }
.box .content .errorImg{width:230px;height:150px; margin:30px auto 0px; background: url("//jz.508sys.com/image/error/err_img_bg.png") no-repeat 0px -30px;}
.content .msg{ width: 670px;height: 120px; padding:10px; background-color:  #F0F5FE ;border: 1px solid #CDDCF4;}
.msg .img{width: 50px;height: 50px; margin-left:20px;margin-top:30px;  background: url("//jz.508sys.com/image/error/err_img_bg.png") no-repeat 0px -190px;height:35px;display:inline;float: left;}
.msg .info {width: 500px;padding-left:5px;padding-top:30px; vertical-align:middle; text-align:left;display: inline;float: left;font-family:"Arial","宋体"; font-size:14px;color: #333333}
.msg .info a{color:#0000FF;}
.content .errorButton{width:300px;height:30px; margin-top: 20px;}
.errorButton .refresh{width: 140px; border:1px solid #BBB;height:28px;background:url("//jz.508sys.com/image/error/err_img_bg.png") repeat 0px 0px; display: inline;float: left;cursor:pointer; }
.refresh .refreshImg{background: url("//jz.508sys.com/image/error/err_img_bg.png") no-repeat 0px -230px; margin-top:8px; height:15px;padding-left:17px;;margin-left:10px; display: inline;float: left;}
.refresh .refreshTxt{margin-left:6px; display: inline;float: left;margin-top: 6px;}
.errorButton .back{width: 100px; border:1px solid #BBB;height:28px;background:url("//jz.508sys.com/image/error/err_img_bg.png") repeat 0px 0px; display: inline;float: left;cursor:pointer; }
.back .backImg{ background: url("//jz.508sys.com/image/error/err_img_bg.png") no-repeat 0px -250px;height:15px;padding-left:17px;margin-left:10px; margin-top:8px; display: inline;float: left;}
.back .backTxt{color: #333;display: inline;float: left;margin-top: 6px;margin-left:6px;}
.errorButton a{text-decoration:none; color:#000; }
.errorButton .backIndex{display:inline;float: left;margin-left: 20px;}
</style>
</head>

<body>
<div class="box">
<div class="titleContent">
   <div class="title">系统提示</div>
</div>
 <div class="content">
   <div class="errorImg"></div>
   
   <div class="msg">
   <div class="img"> </div>
   <div class="info">您访问的销售网站不存在</div>
   </div>
   
   <div class="errorButton" id="errorBtn">
   
   </div>
   </div>
</div> 
</div>
</body>
</html>

Whois info of domain

Domain Name: ITMDT.COM
Registry Domain ID: 2107656892_DOMAIN_COM-VRSN
Registrar WHOIS Server: grs-whois.hichina.com
Registrar URL: http://www.net.cn
Updated Date: 2025-02-24T08:49:47Z
Creation Date: 2017-03-24T09:23:09Z
Registry Expiry Date: 2026-03-24T09:23:09Z
Registrar: Alibaba Cloud Computing (Beijing) Co., Ltd.
Registrar IANA ID: 420
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +86.95187
Domain Status: ok https://icann.org/epp#ok
Name Server: DNS21.HICHINA.COM
Name Server: DNS22.HICHINA.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-03T14:06:33Z <<<
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