CoreDNS + External Service - Kubernetes

Need to keep working onhttps://www.kubecost.com/kubernetes-best-practices/kubernetes-external-service/

Alse refer to Traafix docs -https://github.com/traefik/traefik/blob/v3.1/pkg/provider/kubernetes/ingress/fixtures/Ingress-with-service-with-externalName-enabled.yml

https://community.traefik.io/t/traefik-k8s-and-an-external-service/6305

and also check out kubecost.