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 - smu9.com
HTTP Status: 503
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Server: nginx-reuseport/1.21.1
Date: Tue, 13 May 2025 13:30:41 GMT
Content-Type: text/html
Content-Length: 207
Connection: keep-alive
Keep-Alive: timeout=30

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: smu9.com
Accept: */*
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])

<html>
<head><title>503 Service Temporarily Unavailable</title></head>
<body>
<center><h1>503 Service Temporarily Unavailable</h1></center>
<hr><center>nginx-reuseport/1.21.1</center>
</body>
</html>

Whois info of domain

Domain Name: SMU9.COM
Registry Domain ID: 1545516380_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.nic.ru
Registrar URL: http://nic.ru
Updated Date: 2025-03-03T23:17:57Z
Creation Date: 2009-03-05T11:38:08Z
Registry Expiry Date: 2027-03-05T11:38:08Z
Registrar: Regional Network Information Center, JSC dba RU-CENTER
Registrar IANA ID: 463
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +74950091333
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS1.BEGET.COM
Name Server: NS1.BEGET.PRO
Name Server: NS2.BEGET.COM
Name Server: NS2.BEGET.PRO
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-13T13:30:29Z <<<
For more information on Whois status codes, please visit https://icann.org/epp
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