kube-dns

kubectl -n kube-system -l=k8s-app=kube-dns get pods
NAME                      READY   STATUS    RESTARTS   AGE
coredns-f47955f89-7ntw4   0/1     Pending   0          3h37m
coredns-f47955f89-sl79r   0/1     Pending   0          3h37m

kubectl -n kube-system -l=k8s-app=kube-dns get pods
NAME                      READY   STATUS    RESTARTS   AGE
coredns-f47955f89-d95dd   1/1     Running   0          45h
coredns-f47955f89-w746j   1/1     Running   0          45h

kubectl -n kube-system describe svc kube-dns

kubectl -n kube-system get endpoints kube-dns

Related

• dnsPolicy
• kubectl get events -A: kube-system 9m44s Warning FailedMount pod/kube-dns-85df8994db-v8qdg MountVolume.SetUp failed for volume "kube-dns-config" : failed to sync configmap cache: timed out waiting for the condition
• system:kube-dns
• kubectl get endpoints -A

See also

• kube-system: kubectl get pods -n kube-system, kube-dns, aws-node
• kube-dns, kube-system Namespace
• CoreDNS, kube-dns, Know how to configure and use CoreDNS, Corefile
• kubectl: [ cp | config | create | delete | edit | explain | apply | exec | get | set | drain | uncordon | rolling-update | rollout | logs | run | auth | label | annotate | version | top | diff | debug | replace | describe | port-forward | proxy | scale | rollout | api-resources | expose deployment | expose | patch | attach | get endpoints | ~/.kube/config | kubectl logs --help | kubectl --help, kubectl-convert, kubectl autoscale, kubectl.kubernetes.io

https://kubernetes.io/docs/concepts/services-networking/dns-pod-service/#pod-s-dns-policy