# Debugging Kubernetes Networking

DevFeed: [Debugging Kubernetes Networking](<https://devfeed.tech/articles/debugging-kubernetes-networking-17691.md>)

Original publisher: [Read original article](<https://blog.container-solutions.com/debugging-kubernetes-networking>)

Author: Daniel Jones and Jonathan Matthews

Published: 2023-10-04T10:48:26Z

Content type: tutorial

Language: en

Sources: [Blog - Container Solutions](<https://devfeed.tech/sources/blog-container-solutions.md>)

Topics: [Kubernetes](<https://devfeed.tech/topics/kubernetes.md>), [networking](<https://devfeed.tech/topics/networking.md>), [debug](<https://devfeed.tech/topics/debug.md>)

Tags: [debugging](<https://devfeed.tech/tags/debugging.md>), [guide](<https://devfeed.tech/tags/guide.md>), [kubernetes](<https://devfeed.tech/tags/kubernetes.md>), [kubernetes-networking](<https://devfeed.tech/tags/kubernetes-networking.md>), [networking](<https://devfeed.tech/tags/networking.md>)

## AI overview

A debugging walkthrough investigates Kubernetes networking problems involving service DNS lookups. The article reports intermittent failures caused by responses from an unexpected IP, along with failures resolving external domains.

## Source excerpt

At EngineerBetter, we're going through the formality of ensuring that we've got the Certified Kubernetes Administrator qualification box ticked. Kelsey Hightower's Kubernetes The Hard Way is a valuable guide to setting up a Kubes cluster 'by hand', and so I set about running through it.