K8s Troubleshooting — How to Debug CoreDNS Issues

K8s Troubleshooting handbook

Note, full “K8s Troubleshooting” mind map is available at: “K8s Troubleshooting Mind Map”

CoreDNS is a must-have extension for your K8s clusters. It is can be used to provide naming services for the cluster, and has been the default DNS service since K8s v1.13.