Using Kubernetes Services with DNS

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Using Kubernetes Services with DNS

Kubernetes Services can be located with the Kubernetes DNS just like Pods can. In this lab, you will work with the Kubernetes DNS to discover Services from within a Pod. This will test your knowledge of how to interact with Services using DNS.

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Lab Info

Level

Intermediate

Last updated

Sep 20, 2025

Duration

30m

Challenge

Perform an Nslookup for a Service in the Same Namespace

Use the busybox Pod in the web namespace to perform an nslookup on the web-frontend Service. Use both the short Service name and its fully qualified domain name, and save all of the results to ~/dns_same_namespace_results.txt.
Challenge

Perform an Nslookup for a Service in a Different Namespace

Use the busybox Pod in the web namespace to perform an nslookup on the user-db Service, which exists in the data namespace. Use both the short Service name and its fully qualified domain name, and save all of the results to ~/dns_different_namespace_results.txt.

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