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 - bl4y.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: bl4y.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: BL4Y.COM
Registry Domain ID: 2697806086_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.dnspod.cn
Registrar URL: http://www.dnspod.cn
Updated Date: 2023-05-13T03:12:38Z
Creation Date: 2022-05-21T12:38:53Z
Registry Expiry Date: 2025-05-21T12:38:53Z
Registrar: DNSPod, Inc.
Registrar IANA ID: 1697
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +86.4009100100
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: GELDING.DNSPOD.NET
Name Server: ROAD.DNSPOD.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-19T04:32:07Z <<<
For more information on Whois status codes, please visit https://icann.org/epp
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