CoreDNS
- https://kubernetes.io/docs/concepts/services-networking/dns-pod-service/
- https://github.com/kubernetes/dns/blob/master/docs/specification.md
- https://coredns.io/
CoreDNS has the kubernetes plugin, so it returns all k8s service endpoints in well-known format.
All services and pods are registered in CoreDNS.
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..svc.cluster.local
-
.
-
(if in the same namespace)
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..pod.cluster.local
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...svc.cluster.local
Anything wuery for a resource in the internal.$DOMAIN domain will be given the IP of the Traefik proxy. We expose the CoreDNS server in the LAN via MetalLB just for this capability.