kubectl exec -it pod/fluentd-http-0 -n fluent -- sh / $ nslookup kubernetes 172.x.x.x Server: 172.x.x.x Address: 172.x.x.x:53 ** server can't find kubernetes: NXDOMAIN ** server can't find kubernetes: NXDOMAIN / $ cat /etc/resolv.conf nameserver 172.x.x.x search fluent.svc.cluster.local svc.cluster.local cluster.local ca-central-1.compute.internal options ndots:5