check web redirect url status code checker

Check server response of

Server response
NS records
Whois domain
Response headers
Request headers
Raw HTML code
500 Internal Server Error - rcn01.com
HTTP Status: 500
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Connection: keep-alive
Content-Length: 256
Server: Varnish
Retry-After: 0
content-type: text/html
Cache-Control: private, no-cache
X-Served-By: cache-hel1410022-HEL
Accept-Ranges: bytes
Date: Sat, 10 May 2025 05:02:26 GMT
Via: 1.1 varnish

HTTP Code 500 Internal Server Error

500 Internal Server Error indicates an internal server error preventing the request from being processed.

When is Code 500 used?

  • When there are failures in server-side code
  • When there are database issues
  • When the server is overloaded

What does Code 500 mean for the user?

The user cannot access the resource, and the website administrator needs to fix the issue.

GET / HTTP/1.1
Host: rcn01.com
Accept: */*
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])

<html>
<head>
<title>Fastly error: unknown domain rcn01.com</title>
</head>
<body>
<p>Fastly error: unknown domain: rcn01.com. Please check that this domain has been added to a service.</p>
<p>Details: cache-hel1410022-HEL (151.101.1.41)</p></body></html>

Whois info of domain

Domain Name: RCN01.COM
Registry Domain ID: 2707110634_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.gandi.net
Registrar URL: http://www.gandi.net
Updated Date: 2024-07-05T19:07:23Z
Creation Date: 2022-06-28T13:31:00Z
Registry Expiry Date: 2025-06-28T13:31:00Z
Registrar: Gandi SAS
Registrar IANA ID: 81
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +33.170377661
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS-203-B.GANDI.NET
Name Server: NS-33-C.GANDI.NET
Name Server: NS-90-A.GANDI.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-10T05:02:15Z <<<
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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