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 - dpbu3.com
HTTP Status: 401
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Server: nginx
Date: Fri, 09 May 2025 05:44:35 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: keep-alive

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: dpbu3.com
Accept: */*
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])

<html>
<head><title>403 Forbidden</title></head>
<body>
<center><h1>403 Forbidden</h1></center>
<hr><center>nginx</center>
</body>
</html>

Whois info of domain

Domain Name: DPBU3.COM
Registry Domain ID: 2897346883_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.55hl.com
Registrar URL: http://www.55hl.com
Updated Date: 2025-05-05T13:48:46Z
Creation Date: 2024-07-08T04:59:08Z
Registry Expiry Date: 2025-07-08T04:59:08Z
Registrar: Jiangsu Bangning Science & technology Co. Ltd.
Registrar IANA ID: 1469
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +86.02586883421
Domain Status: ok https://icann.org/epp#ok
Name Server: NS1.JUDNS.COM
Name Server: NS2.JUDNS.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-09T05:44:21Z <<<
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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