check web redirect url status code checker

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503 Service Unavailable - csim.com
HTTP Status: 503
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Server: openresty/1.27.1.2
Date: Wed, 30 Apr 2025 15:54:11 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: keep-alive
Cache-Control: private, no-store, no-cache

HTTP Code 503 Service Unavailable

503 status code indicates that the server is temporarily unavailable due to overload or maintenance.

When is Code 503 used?

  • When a server is overloaded with traffic
  • When the server is undergoing scheduled maintenance
  • When a web application temporarily restricts access

What does Code 503 mean for the user?

The user must wait and try again later, as the server is currently unavailable.

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

<!DOCTYPE html><html><head><title>Abusive Bot Blocked</title></head><body><h2>Abusive Bot Blocked!</h2></body></html>

Whois info of domain

Domain Name: CSIM.COM
Registry Domain ID: 103731799_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.omnis.com
Registrar URL: http://www.omnis.com
Updated Date: 2024-09-19T07:52:25Z
Creation Date: 2003-09-18T18:02:58Z
Registry Expiry Date: 2025-09-18T18:02:58Z
Registrar: Omnis Network, LLC
Registrar IANA ID: 143
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +1.4802957800
Domain Status: ok https://icann.org/epp#ok
Name Server: NS1.GUARDEDHOST.COM
Name Server: NS2.GUARDEDDNS.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-04-30T15:54:01Z <<<
For more information on Whois status codes, please visit https://icann.org/epp
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