check web redirect url status code checker

Check server response of

Server response
NS records
Whois domain
Response headers
Request headers
Raw HTML code
404 Not Found - cdnof.com
HTTP Status: 404
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Content-Type: text/plain; charset=utf-8
X-Content-Type-Options: nosniff
Date: Mon, 12 May 2025 22:40:26 GMT
Content-Length: 19

HTTP Code 404 Not Found

404 status code 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: cdnof.com
Accept: */*
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])

404 page not found

Whois info of domain

Domain Name: CDNOF.COM
Registry Domain ID: 2323151030_DOMAIN_COM-VRSN
Registrar WHOIS Server: grs-whois.hichina.com
Registrar URL: http://www.net.cn
Updated Date: 2024-09-26T03:12:56Z
Creation Date: 2018-10-19T12:59:54Z
Registry Expiry Date: 2025-10-19T12:59:54Z
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: DNS11.HICHINA.COM
Name Server: DNS12.HICHINA.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-12T22:40:09Z <<<
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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