diff --git a/docs/architecture/dns.md b/docs/architecture/dns.md
index f73a8997..d0491ca0 100644
--- a/docs/architecture/dns.md
+++ b/docs/architecture/dns.md
@@ -269,7 +269,7 @@ CoreDNS is managed via Terraform in `stacks/technitium/modules/technitium/` —
   cache {
     success 10000 300 6
     denial 10000 300 60
-    serve_stale 3600s 86400s                        # resilience during upstream outage
+    serve_stale 86400s                        # resilience during upstream outage
   }
   loop / reload / loadbalance
 }
@@ -280,7 +280,7 @@ viktorbarzin.lan:53 {
     health_check 5s
     max_fails 2
   }
-  cache (success 10000 300, denial 10000 300, serve_stale 3600s 86400s)
+  cache (success 10000 300, denial 10000 300, serve_stale 86400s)
 }
 ```
 
diff --git a/stacks/technitium/modules/technitium/main.tf b/stacks/technitium/modules/technitium/main.tf
index 3ab61b68..7f5e4463 100644
--- a/stacks/technitium/modules/technitium/main.tf
+++ b/stacks/technitium/modules/technitium/main.tf
@@ -68,7 +68,7 @@ resource "kubernetes_config_map" "coredns" {
           cache {
             success 10000 300 6
             denial 10000 300 60
-            serve_stale 3600s 86400s
+            serve_stale 86400s
           }
           loop
           reload
@@ -89,7 +89,7 @@ resource "kubernetes_config_map" "coredns" {
         cache {
           success 10000 300 6
           denial 10000 300 60
-          serve_stale 3600s 86400s
+          serve_stale 86400s
         }
       }
     EOF