Yes, the Alpine images are known to be problematic in Kubernetes cluster concerning DNS queries. Even if it is not clear if the bug has been effectively fixed in any current version of Alpine, here are some related links: https://github.com/kubernetes-sigs/kind/issues/442 https://gitlab.alpinelinux.org/alpine/aports/-/issues/9017 https://github.com/gliderlabs/docker-alpine/issues/476 I encountered