check web redirect url status code checker

Check server response of

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NS records
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Response headers
Request headers
Raw HTML code
301 Moved Permanently - kuaad.com
HTTP Status: 301
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Server: Tengine
Date: Tue, 13 May 2025 09:47:05 GMT
Content-Type: text/html;charset=utf-8
Content-Length: 0
Connection: keep-alive
Keep-Alive: timeout=15
BackendServer: Aliyun URL Forwarding Server
Location: http://www.kuaad.com

HTTP Code 301 Moved Permanently

301 http status code means that the requested resource has been permanently moved to a new URL. All future requests should use the new address.

When is Code 301 used?

  • When changing a website domain
  • When modifying URL structures
  • When setting up redirects for SEO

What does Code 301 mean for the user?

The browser will automatically redirect the user to the new address, and search engines will update their indexes.

502 Bad Gateway - http://www.kuaad.com
HTTP Status: 502
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Server: Tengine
Content-Type: text/html
Content-Length: 253
Connection: keep-alive
Date: Tue, 13 May 2025 09:47:07 GMT
Via: cache45.l2cn3129[14,14,502-1281,M], cache9.l2cn3129[16,0], kunlun9.cn192[113,112,502-1281,M], kunlun6.cn192[181,114,502001]
Ali-Swift-Global-Savetime: 1747129627
X-Cache: MISS TCP_MISS dirn:-2:-2
X-Swift-Error: orig response 5xx error
X-Swift-SaveTime: Tue, 13 May 2025 09:47:07 GMT
X-Swift-CacheTime: 1
Timing-Allow-Origin: *
EagleId: 3adad01a17471296276933656e

HTTP Code 502 Bad Gateway

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

<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html>
<head><title>502 Bad Gateway</title></head>
<body>
<h1>502 Bad Gateway</h1>
<p>The proxy server received an invalid response from an upstream server.<hr/>Powered by Tengine</body>
</html>

Whois info of domain

Domain Name: KUAAD.COM
Registry Domain ID: 1831232156_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.jumi.com
Registrar URL: http://www.juming.com
Updated Date: 2024-10-08T09:48:08Z
Creation Date: 2013-10-15T18:36:54Z
Registry Expiry Date: 2025-10-15T18:36:54Z
Registrar: Hefei Juming Network Technology Co., Ltd
Registrar IANA ID: 3758
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: 4009972996
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS1.ALIDNS.COM
Name Server: NS2.ALIDNS.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-13T09:46:54Z <<<
For more information on Whois status codes, please visit https://icann.org/epp
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