Starting March 19, 2025, CoreDNS versions 1.6.7 and earlier no longer receive maintenance or updates from Container Service for Kubernetes (ACK) due to service quality improvement and system security/stability enhancement. We strongly recommend updating to a supported version as soon as possible.
Change details and affected services
End of support
Security patches, bug fixes, and feature updates will cease for CoreDNS ≤ v1.6.7.
Affected clusters: All ACK clusters running CoreDNS ≤ v1.6.7.
Verify your version
Log on to the ACK console, find the cluster you want to check, and click its name.
In the left-side navigation pane, choose .
Find CoreDNS and check its version.
For information about CoreDNS versions, see CoreDNS.
Solution
Update CoreDNS to the latest stable version for security hardening, bug fixes, enhanced stability, performance optimizations, and access to the latest features.
If you encounter any issues or have suggestions, submit a ticket to contact us.