Origin certificate validation failure
Cloudflare returned 526 Invalid SSL Certificate, making ToolKnit unavailable for several hours. The certificate has been renewed and the website is operating normally again.
- Impact
- Visitors could not open ToolKnit pages while Cloudflare rejected the origin certificate.
- Root cause
- The origin certificate renewal was missed because automatic renewal had not been configured.
- Resolution
- The certificate was renewed and normal HTTPS delivery was restored.
- Preventive follow-up
- Planned: configure automatic renewal and alerts for approaching expiry or renewal failures.