DNS
Kubernetes DNS Optimization
5 min readDNS plays a critical role in Kubernetes clusters by enabling service discovery and communication between Pods and services. However, poor DNS performance can lead to high latency, …
K3s Pod DNS Not Resolving? Fix CoreDNS Forwarding
4 min readA name resolves fine from your laptop and from the K3s node, but pods get NXDOMAIN. On K3s this almost always comes down to which upstream resolver CoreDNS forwards to. This guide …
Mastering DNS Troubleshooting in Kubernetes
6 min readUnderstanding and resolving DNS issues in Kubernetes can be challenging. This workshop is designed to equip you with the skills and knowledge needed to effectively troubleshoot DNS …
How CoreDNS and NodeLocal DNSCache Work in Kubernetes
5 min readDNS is how pods find Services and the outside world. This post explains the actual path a DNS query takes in a Kubernetes cluster, what CoreDNS and NodeLocal DNSCache each do, and …
DNS Basics
4 min readDNS is a topic that some people just don’t get. My goal is to make it as simple as possible for you to understand. DNS zones fall into three categories: Forwarders Conditional …