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 - pimfs.com
HTTP Status: 401
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Server: David-WebBox/12.00a (1328) WIN32
Transfer-Encoding: chunked
Cache-Control: no-cache
Connection: close
Content-Type: text/html
WWW-Authenticate: Basic realm="/"

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

Whois info of domain

Domain Name: PIMFS.COM
Registry Domain ID: 1954419869_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.registrar.internetx.com
Registrar URL: http://www.internetx.com
Updated Date: 2024-08-22T07:17:34Z
Creation Date: 2015-08-21T14:14:04Z
Registry Expiry Date: 2025-08-21T14:14:04Z
Registrar: InterNetX GmbH
Registrar IANA ID: 151
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +49.94159559480
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: A.NS14.NET
Name Server: B.NS14.NET
Name Server: C.NS14.NET
Name Server: D.NS14.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-03T20:21:00Z <<<
For more information on Whois status codes, please visit https://icann.org/epp
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