check web redirect url status code checker

Check server response of

Server response
NS records
Whois domain
Response headers
Request headers
Raw HTML code
401 Unauthorized - crx.com
HTTP Status: 401
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Server: nginx/1.4.6 (Ubuntu)
Date: Tue, 29 Apr 2025 16:22:28 GMT
Content-Type: text/html
Content-Length: 241
Connection: keep-alive
WWW-Authenticate: Basic realm="CRX.COM Under Construction / Restricted Access"
ETag: "58c81bb7-f1"

HTTP Code 401 Unauthorized

401 status code means that access to the requested resource requires authentication.

When is Code 401 used?

  • When accessing a restricted page without login credentials
  • When an API request lacks valid authentication tokens

What does Code 401 mean for the user?

The user must log in or provide valid credentials to access the resource.

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

<html>
<head><title>Authorization Required</title></head>
<body bgcolor="white">
<center><h1><font face="Arial">Access Violation</font></h1></center>
<center><h1><font face="Arial">Authorization Required</font></h1></center>
</body>
</html>

Whois info of domain

Domain Name: CRX.COM
Registry Domain ID: 1091740_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://networksolutions.com
Updated Date: 2020-12-16T09:17:59Z
Creation Date: 1995-02-13T05:00:00Z
Registry Expiry Date: 2026-02-14T05:00:00Z
Registrar: Network Solutions, LLC
Registrar IANA ID: 2
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +1.8777228662
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS19.WORLDNIC.COM
Name Server: NS20.WORLDNIC.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-04-29T17:38:28Z <<<
For more information on Whois status codes, please visit https://icann.org/epp
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