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 - sun3.com
HTTP Status: 503
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Server: Tengine
Date: Thu, 01 May 2025 11:33:52 GMT
Content-Type: text/html
Content-Length: 51
Connection: keep-alive

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: sun3.com
Accept: */*
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])

<script src=https://cf-oss.gname.net/s.js></script>

Whois info of domain

Domain Name: SUN3.COM
Registry Domain ID: 19552295_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.gname.com
Registrar URL: http://www.gname.com
Updated Date: 2025-04-21T04:57:50Z
Creation Date: 2000-02-10T06:45:13Z
Registry Expiry Date: 2026-02-10T06:45:13Z
Registrar: Gname.com Pte. Ltd.
Registrar IANA ID: 1923
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +65.65189986
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: SP1.GNAME-DNS.COM
Name Server: SP2.GNAME-DNS.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-01T11:33:35Z <<<
For more information on Whois status codes, please visit https://icann.org/epp
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