The Domain Name System (DNS) is used to associate IP addresses with meaningful names. By default, Kubernetes clusters configure internal DNS to provide for service discovery automatically. This makes it easy for workloads to locate and work with each other on Kubernetes clusters.

Are you looking into Istio? Many companies are investigating Istio to reduce the challenges of managing microservices as it delivers a uniform way to connect, monitor, and secure environments - especially used in concert with Kubernetes.