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 - 1oops.com
HTTP Status: 503
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Cache-Control: no-cache
Connection: close
Content-Type: text/html

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: 1oops.com
Accept: */*
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])

<html><body><h1>503 Service Unavailable</h1>
No server is available to handle this request.
</body></html>

Whois info of domain

Domain Name: 1OOPS.COM
Registry Domain ID: 1764080293_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.tucows.com
Registrar URL: http://www.tucows.com
Updated Date: 2024-09-25T12:16:24Z
Creation Date: 2012-12-05T05:48:13Z
Registry Expiry Date: 2029-12-05T05:48:13Z
Registrar: Tucows Domains Inc.
Registrar IANA ID: 69
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +1.4165350123
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Name Server: NS1.VULTR.COM
Name Server: NS2.VULTR.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-19T12:02:21Z <<<
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
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