diff --git a/k8s/infrastructure/coredns-custom.yaml b/k8s/infrastructure/coredns-custom.yaml
index 178e8a1..88a9930 100644
--- a/k8s/infrastructure/coredns-custom.yaml
+++ b/k8s/infrastructure/coredns-custom.yaml
@@ -5,7 +5,8 @@ metadata:
   namespace: kube-system
 data:
   homelab.override: |
-    hosts {
-      192.168.51.200 keycloak.n0ball.tw grafana.n0ball.tw vault.n0ball.tw gitea.n0ball.tw
+    template IN A n0ball.tw {
+      match "^(keycloak|grafana|vault|gitea)\.n0ball\.tw\.$"
+      answer "{{ .Name }} 60 IN A 192.168.51.200"
       fallthrough
     }