check web redirect url status code checker

Check server response of

Server response
NS records
Whois domain
Response headers
Request headers
Raw HTML code
200 OK - cnnnu.com
HTTP Status: 200
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Server: nginx
Date: Mon, 19 May 2025 03:58:19 GMT
Content-Type: text/html
Content-Length: 1326
Last-Modified: Wed, 26 Apr 2017 08:03:47 GMT
Connection: keep-alive
Vary: Accept-Encoding
ETag: "59005463-52e"
Accept-Ranges: bytes

HTTP Code 200 OK

200 status code is a standard successful HTTP server response. It means that the client’s request (e.g., from a browser) was successfully processed, and the server is delivering the requested data.

When is Code 200 used?

  • When loading a web page
  • When successfully receiving an API response
  • When processing a form or another HTTP request

What does Code 200 mean for the user?

The user receives content without errors, and the page or application functions properly. If Code 200 is accompanied by data, the browser or program processes and displays it to the user.

GET / HTTP/1.1
Host: cnnnu.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>没有找到站点</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:300px;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">没有找到站点</div>
		<div class="content">
			<p class="t1">您的请求在Web服务器中没有找到对应的站点！</p>
			<p class="t2">可能原因：</p>
			<ol>
				<li>您没有将此域名或IP绑定到对应站点!</li>
				<li>配置文件未生效!</li>
			</ol>
			<p class="t2">如何解决：</p>
			<ol>
				<li>检查是否已经绑定到对应站点，若确认已绑定，请尝试重载Web服务；</li>
				<li>检查端口是否正确；</li>
				<li>若您使用了CDN产品，请尝试清除CDN缓存；</li>
				<li>普通网站访客，请联系网站管理员；</li>
			</ol>
		</div>
	</div>
</body>
</html>

Whois info of domain

Domain Name: CNNNU.COM
Registry Domain ID: 2944824020_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.rrpproxy.net
Registrar URL: http://www.key-systems.net
Updated Date: 2024-12-24T07:21:53Z
Creation Date: 2024-12-24T07:10:08Z
Registry Expiry Date: 2025-12-24T07:10:08Z
Registrar: Key-Systems GmbH
Registrar IANA ID: 269
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +49.68949396850
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS1.TAOA.COM
Name Server: NS2.TAOA.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-19T03:58:03Z <<<
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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