check web redirect url status code checker

Check server response of

Server response
NS records
Whois domain
Response headers
Request headers
Raw HTML code
503 Service Unavailable - cshma.com
HTTP Status: 503
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Content-Type: text/html; charset=us-ascii
Server: Microsoft-HTTPAPI/2.0
Date: Wed, 21 May 2025 03:04:58 GMT
Connection: close
Content-Length: 326

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

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN""http://www.w3.org/TR/html4/strict.dtd">
<HTML><HEAD><TITLE>Service Unavailable</TITLE>
<META HTTP-EQUIV="Content-Type" Content="text/html; charset=us-ascii"></HEAD>
<BODY><h2>Service Unavailable</h2>
<hr><p>HTTP Error 503. The service is unavailable.</p>
</BODY></HTML>

Whois info of domain

Domain Name: CSHMA.COM
Registry Domain ID: 1559331847_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.bizcn.com
Registrar URL: http://www.bizcn.com
Updated Date: 2024-06-21T00:36:04Z
Creation Date: 2009-06-16T08:13:53Z
Registry Expiry Date: 2025-06-16T08:13:53Z
Registrar: Bizcn.com, Inc.
Registrar IANA ID: 471
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +86.5922179566
Domain Status: ok https://icann.org/epp#ok
Name Server: NS13.DNS.COM.CN
Name Server: NS14.DNS.COM.CN
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-21T03:04:43Z <<<
For more information on Whois status codes, please visit https://icann.org/epp
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