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301 Moved Permanently - 21xsl.com
HTTP Status: 301
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Content-Length: 144
Content-Type: text/html
Location: http://www.21xsl.com/
Server: Microsoft-IIS/6.0
X-Powered-By: ASP.NET
Date: Sat, 03 May 2025 04:58:00 GMT

HTTP Code 301 Moved Permanently

301 Moved Permanently 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.

404 Not Found - http://www.21xsl.com/
HTTP Status: 404
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Date: Sat, 03 May 2025 04:58:01 GMT
Server: Microsoft-IIS/6.0
X-Powered-By: ASP.NET
Content-Length: 174
Content-Type: text/html
Set-Cookie: ASPSESSIONIDSACCCTSR=GFKFJANCECDPPMPPKAMFFAIH; path=/
Cache-control: private

HTTP Code 404 Not Found

404 Not Found means that the requested page or resource was not found on the server.

When is Code 404 used?

  • When a page is deleted
  • When the URL is incorrect
  • When there are navigation issues on the website

What does Code 404 mean for the user?

The user sees an error message, and search engines may remove the page from their index.

GET / HTTP/1.1
Host: 21xsl.com
Accept: */*
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">

Whois info of domain

Domain Name: 21XSL.COM
Registry Domain ID: 1338946447_DOMAIN_COM-VRSN
Registrar WHOIS Server: grs-whois.hichina.com
Registrar URL: http://www.net.cn
Updated Date: 2024-11-11T02:00:58Z
Creation Date: 2007-11-22T07:00:48Z
Registry Expiry Date: 2029-11-22T07:00:48Z
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: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Name Server: DNS19.HICHINA.COM
Name Server: DNS20.HICHINA.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-03T04:57:44Z <<<
For more information on Whois status codes, please visit https://icann.org/epp
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