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502 Bad Gateway - ibmmm.com
HTTP Status: 502
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Server: Tengine
Date: Fri, 09 May 2025 04:07:03 GMT
Content-Type: text/html;charset=utf-8
Content-Length: 0
Connection: keep-alive
Keep-Alive: timeout=15
BackendServer: Aliyun URL Forwarding Server
Reason: NoICP

HTTP Code 502 Bad Gateway

http status code 502 indicates that the server acting as a gateway or proxy received an invalid response from an upstream server.

When is Code 502 used?

  • When a server is down or unreachable
  • When there is a misconfiguration in server settings
  • When a reverse proxy or load balancer fails to connect to the backend server

What does Code 502 mean for the user?

The user cannot access the requested resource due to a temporary issue between servers.

GET / HTTP/1.1
Host: ibmmm.com
Accept: */*
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])

Whois info of domain

Domain Name: IBMMM.COM
Registry Domain ID: 2407207480_DOMAIN_COM-VRSN
Registrar WHOIS Server: grs-whois.hichina.com
Registrar URL: http://www.net.cn
Updated Date: 2024-06-12T02:36:09Z
Creation Date: 2019-06-28T18:04:11Z
Registry Expiry Date: 2025-06-28T18:04:11Z
Registrar: Alibaba Cloud Computing (Beijing) Co., Ltd.
Registrar IANA ID: 420
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +86.95187
Domain Status: ok https://icann.org/epp#ok
Name Server: DNS27.HICHINA.COM
Name Server: DNS28.HICHINA.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-09T04:06:48Z <<<
For more information on Whois status codes, please visit https://icann.org/epp
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