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 - bms20.com
HTTP Status: 401
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Date: Mon, 19 May 2025 16:48:03 GMT
Server: Apache/2.2.16 (Debian)
WWW-Authenticate: Basic realm="Restricted Area"
Vary: Accept-Encoding
Content-Length: 476
Content-Type: text/html; charset=iso-8859-1

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: bms20.com
Accept: */*
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])

<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>401 Authorization Required</title>
</head><body>
<h1>Authorization Required</h1>
<p>This server could not verify that you
are authorized to access the document
requested.  Either you supplied the wrong
credentials (e.g., bad password), or your
browser doesn't understand how to supply
the credentials required.</p>
<hr>
<address>Apache/2.2.16 (Debian) Server at bms20.com Port 80</address>
</body></html>

Whois info of domain

Domain Name: BMS20.COM
Registry Domain ID: 2541327121_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.rrpproxy.net
Registrar URL: http://www.key-systems.net
Updated Date: 2025-01-30T16:58:00Z
Creation Date: 2020-06-24T12:49:09Z
Registry Expiry Date: 2025-06-24T12:49:09Z
Registrar: Key-Systems GmbH
Registrar IANA ID: 269
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +49.68949396850
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS0.TRANSIP.NET
Name Server: NS1.TRANSIP.NL
Name Server: NS2.TRANSIP.EU
DNSSEC: signedDelegation
DNSSEC DS Data: 29914 13 2 70C2F87B341F89DD1D4C59964E86216B37F803DDBE2199C5796376F148DCA767
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-19T16:47:45Z <<<
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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