diff --git a/roles/internal-dns/defaults/main.yaml b/roles/internal-dns/defaults/main.yaml
index 243b400..21bb614 100644
--- a/roles/internal-dns/defaults/main.yaml
+++ b/roles/internal-dns/defaults/main.yaml
@@ -10,7 +10,7 @@ internal_dns_default_values:
     zone: "{{ internal_domain | default(domain) }}"
     tsigSecret: "{{ k8s_tsig }}"
     tsigSecretAlg: "{{ internal_dns_tsigSecretAlg | default('hmac-sha512') }}"
-    tsigKeyname: "{{ internal_dns_tsigKeyname | default('k8s') }}"
+    tsigKeyname: "{{ internal_dns_tsigKeyname | default(namespace) }}"
     tsigAxfr: true
     ## Possible units [ns, us, ms, s, m, h], see more https://golang.org/pkg/time/#ParseDuration
     minTTL: "30s"
diff --git a/roles/local-dns/defaults/main.yaml b/roles/local-dns/defaults/main.yaml
index ff5c429..2e72c2a 100644
--- a/roles/local-dns/defaults/main.yaml
+++ b/roles/local-dns/defaults/main.yaml
@@ -10,7 +10,7 @@ local_dns_default_values:
     zone: "{{ local_domain }}"
     tsigSecret: "{{ k8s_tsig }}"
     tsigSecretAlg: "{{ local_dns_tsigSecretAlg | default('hmac-sha512') }}"
-    tsigKeyname: "{{ local_dns_tsigKeyname | default('k8s') }}"
+    tsigKeyname: "{{ local_dns_tsigKeyname | default(namespace) }}"
     tsigAxfr: true
     ## Possible units [ns, us, ms, s, m, h], see more https://golang.org/pkg/time/#ParseDuration
     minTTL: "30s"
diff --git a/roles/service-dns/defaults/main.yaml b/roles/service-dns/defaults/main.yaml
index f8522d4..efc262e 100644
--- a/roles/service-dns/defaults/main.yaml
+++ b/roles/service-dns/defaults/main.yaml
@@ -10,7 +10,7 @@ service_dns_default_values:
     zone: "{{ service_domain | default(domain) }}"
     tsigSecret: "{{ k8s_tsig }}"
     tsigSecretAlg: "{{ service_dns_tsigSecretAlg | default('hmac-sha512') }}"
-    tsigKeyname: "{{ service_dns_tsigKeyname | default('k8s') }}"
+    tsigKeyname: "{{ service_dns_tsigKeyname | default(namespace) }}"
     tsigAxfr: true
     ## Possible units [ns, us, ms, s, m, h], see more https://golang.org/pkg/time/#ParseDuration
     minTTL: "30s"