check web redirect url status code checker

Check server response of

Server response
NS records
Whois domain
Response headers
Request headers
Raw HTML code
409 Conflict - cf4qa.com
HTTP Status: 409
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Date: Mon, 12 May 2025 16:29:23 GMT
Content-Type: text/plain; charset=UTF-8
Content-Length: 16
Connection: close
X-Frame-Options: SAMEORIGIN
Referrer-Policy: same-origin
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Server: cloudflare
CF-RAY: 93eb4b6c6e688d63-HEL

HTTP Code 409 Conflict

409 status code indicates that the request could not be completed due to a conflict with the current state of the resource.

When is Code 409 used?

  • When multiple simultaneous updates cause a version conflict
  • When there is a logical conflict in the request data

What does Code 409 mean for the user?

The user should resolve the conflict and try the request again.

GET / HTTP/1.1
Host: cf4qa.com
Accept: */*
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])

error code: 1001

Whois info of domain

Domain Name: CF4QA.COM
Registry Domain ID: 2867436351_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.tucows.com
Registrar URL: http://www.tucows.com
Updated Date: 2025-03-13T05:35:55Z
Creation Date: 2024-03-28T02:17:15Z
Registry Expiry Date: 2027-03-28T02:17:15Z
Registrar: Tucows Domains Inc.
Registrar IANA ID: 69
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +1.4165350123
Domain Status: ok https://icann.org/epp#ok
Name Server: NS1.NEXCESS.NET
Name Server: NS2.NEXCESS.NET
Name Server: NS3.NEXCESS.NET
Name Server: NS4.NEXCESS.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-12T16:29:02Z <<<
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