Service DNS Names

The Kubernetes DNS (Domain Name System) assigns DNS names to Services, allowing applications within the cluster to easily locate them. A service’s fully qualified domain name has the following format:

service-name.namespace-name.svc.cluster-domain.example

The default cluster domain is cluster.local.

Service DNS and Namespaces

A Service’s fully qualified domain name can be used to reach the service from within any Namespace in the cluster. my-service.my-namespace.svc.cluster.local

However, Pods within the same Namespace can also simply use the service name. my-service