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 - switz.com
HTTP Status: 503
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
date: Mon, 12 May 2025 17:56:13 GMT
server: Apache
upgrade: h2
connection: Upgrade
transfer-encoding: chunked
content-type: text/html; charset=UTF-8

HTTP Code 503 Service Unavailable

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

<!DOCTYPE html
	PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
	 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US" xml:lang="en-US">
<head>
<title>web host not found</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
</head>
<body>

<p>
	The web host <i>switz.com</i> does not exist.
</p>

</body>
</html>

Whois info of domain

Domain Name: SWITZ.COM
Registry Domain ID: 335738_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.infomaniak.com
Registrar URL: http://www.infomaniak.com
Updated Date: 2024-06-06T12:11:01Z
Creation Date: 1995-06-14T04:00:00Z
Registry Expiry Date: 2025-06-13T04:00:00Z
Registrar: Infomaniak Network SA
Registrar IANA ID: 3240
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: 0041228203541
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS41.INFOMANIAK.COM
Name Server: NS42.INFOMANIAK.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-12T17:55:51Z <<<
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
TERMS OF USE: You are not authorized to access or query our Whois
by the following terms of use: You agree that you may use this Data only
to: (1) allow, enable, or otherwise support the transmission of mass