F5 incident
F5 Distributed Cloud - Service Interruption - DNS resolution failures - INC-20260508-456
F5 experienced a minor incident on May 8, 2026 affecting DNS, lasting 6h 33m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating May 08, 2026, 07:31 AM UTC
This advisory is to inform you that we are currently investigating reports of service degradation affecting one or more services in multiple regions. We understand this may be affecting your operations and we are committed to providing transparent and timely updates as more information becomes available. While we gather more information, we recommend monitoring the progress on this site (https://www.f5cloudstatus.com/) for the latest update. Investigation Status: • We have identified potential service impact at 05/08/2026, 04:50 UTC; • Our incident response team has been fully mobilized; • Initial investigation and impact assessment efforts are underway. Next Steps: • A detailed incident notification will be provided within 30 minutes; • Our teams are working to determine the root cause of the incident; • We will share mitigation steps as soon as they become available. We appreciate your patience as we work to resolve this situation. If you are experiencing a critical business impact, please contact our support team through your established channels. Thank you for your continued support and trust in F5.
- investigating May 08, 2026, 08:15 AM UTC
We are currently investigating intermittent DNS resolution failures affecting multiple regions. Our engineering team is actively working to identify the root cause and restore full stability. Some customers may experience occasional failures when attempting to reach certain endpoints or services that rely on DNS lookups. We will provide updates here as more information becomes available. Thank you for your patience and understanding.
- identified May 08, 2026, 09:38 AM UTC
The F5 Distributed Cloud team has identified the root cause of the intermittent DNS resolution failures. Our engineering team is now actively implementing a fix to restore full stability across the affected regions. While we work on the resolution, some customers may experience occasional failures when attempting to reach certain endpoints or services that rely on DNS lookups. We will provide further updates as the fix is deployed. Thank you for your continued patience.
- monitoring May 08, 2026, 11:01 AM UTC
The F5 Distributed Cloud team has validated and confirmed that the issue causing intermittent DNS resolution failures has been resolved. We are now monitoring the environment closely to ensure continued performance. All systems are currently Operational. Thank you for your patience while we work to resolve this matter.
- resolved May 08, 2026, 02:05 PM UTC
The issue with F5 Distributed Cloud that was causing intermittent DNS resolution failures, during which customers may have experienced occasional failures while attempting to reach certain endpoints or services relying on DNS lookups, has been resolved, and services are now fully operational. All other services remained fully operational throughout the incident. This incident has been marked as resolved.