How to change the cache time of CoreDNS in OpenShift 4

Solution Verified - Updated -

Issue

  • Is there any way to change the cache time of CoreDNS?
  • The Configmap for the Corefile configuration is reverting the changes after modifying the cache values.

Environment

  • Red Hat OpenShift Container Platform (RHOCP)
    • 4
  • CoreDNS

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