CoreDNS Explained Simply | Kubernetes DNS Deep Dive | How Service Discovery REALLY Works

Ever wondered how Kubernetes services talk to each other without using IP addresses? This video gives a complete, beginner-to-advanced explanation of CoreDNS in Kubernetes, explained in simple English with real-world clarity. In this video, you’ll clearly understand: – What CoreDNS is and why Kubernetes needs it – How DNS resolution works inside a Kubernetes cluster – What happens when a pod calls another service – How CoreDNS interacts with the Kubernetes API Server – Difference between CoreDNS, kube-dns, and kube-proxy – How service names convert into IP addresses – Common CoreDNS issues in production and how they affect applications – Why CoreDNS is critical for microservices, DevOps, SRE, and Cloud Engineers