F5 Distributed Cloud -Service Degradation-DNS resolution issue-INC-20260913-513

The F5 Distributed Cloud team has successfully deployed the hotfix addressing the managed DNS service issue. DNS services have been restored to normal operation.

Our engineering teams are continuously monitoring telemetry and service health to ensure sustained stability.

Thank you for your patience and understanding while we worked to resolve this issue.

Sincerely,
F5 Distributed Cloud

The F5 Distributed Cloud team is now testing and validating the hotfix for the issue caused by a DNS configuration change, to ensure system stability.

We will share further updates as more information becomes available.

The F5 Distributed Cloud team continues working on the hotfix for the issue caused by a DNS configuration change.
Our Engineering teams are actively working to fully recover the DNS service.
We will share further updates as more information becomes available.

The F5 Distributed Cloud team has identified the cause of the managed DNS service issue. The issue was caused by a change to the DNS configuration introduced with the Distributed Cloud 8.0 release. Our Engineering teams are actively working to fully mitigate the issue. We will share further updates as more information becomes available.Thank you for your patience.

The F5 Distributed Cloud team is actively investigating a managed DNS service issue affecting certain Load Balancer configurations. No further customer impact is currently being observed for configurations utilizing Internet (Specified VIP) and Virtual Site (Specified VIP).
Our engineering team is proactively analyzing the environment to isolate the cause and ensure ongoing system stability. Thank you for your patience.

This advisory is to inform you that we are currently investigating reports of service degradation affecting DNS services

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 10:50 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.