https://Azurefixes.com/blog This blog is for Azure Troubleshooting en-us address@yoursite.com (NVN) address@yoursite.com (NVN) Thu, 18 Jun 2026 00:00:00 GMT https://Azurefixes.com/blog/kubernetes-dns-failures https://Azurefixes.com/blog/kubernetes-dns-failures If some pods in your AKS cluster resolve external DNS names fine and others fail — from the same Deployment, same image, same config — the variable is the node. This guide covers the exact test sequence to isolate CoreDNS upstream forwarding failures, identify /etc/resolv.conf drift on worker nodes, and fix it without reprovisioning. Thu, 18 Jun 2026 00:00:00 GMT address@yoursite.com (NVN) KubernetesAKSCoreDNSDNSTroubleshootingNetworking