Summary

Cloudflare is experiencing an intermittent connection problem that causes web servers to display an "unknown" error message. This indicates that a service or gateway between the origin server and Cloudflare appears to be failing or disconnecting. The specific technical context shows a unique Ray ID associated with this error, suggesting that the issue involves the network path rather than a standard DNS failure. The error code referenced is 520, which often correlates with connection timeouts or authentication failures at the border network layer. Due to this specific Ray ID number, troubleshooting requires direct contact with technical support.

The location of this error is recorded as Madrid, which points to a potential issue within a specific European regional network or a misconfigured backend service between the two zones. Although the system has identified the specific IP address causing the delay, further diagnostic steps like checking firewall rules or reviewing Cloudflare logs would be necessary to isolate the root cause. Urgent attention is recommended to resolve the connection issue before the service stops functioning.

Title

Aeon Thana Sinsap (Thailand) Public company Limited

Description

Aeon Thana Sinsap (Thailand) Public company Limited

Keywords

server, unknown, error, there, connection, issue, origin, result, page, address, reference, number, location, madrid

NS Lookup

A 104.16.85.14, A 104.16.84.14

Dates

Created 2026-03-14

Updated 2026-03-23

Summarized 2026-03-23