diff --git a/internal/dns/readme.md b/internal/dns/readme.md
index 5209cc6..91c1fda 100644
--- a/internal/dns/readme.md
+++ b/internal/dns/readme.md
@@ -2,9 +2,9 @@
 
 The DNS Controller orchsterates the configuration needed to setup the ATE routing.
 
-We want to resolve requests for <actor UUID>.actors.resources.substrate.ate.dev to the router service address.
+We want to resolve requests for <actor id>.actors.resources.substrate.ate.dev to the router service address.
 
-* Stub resolver mode: orchestrate running a CoreDNS instance with the UUID mapped to the router service address.
+* Stub resolver mode: orchestrate running a CoreDNS instance with the actor id mapped to the router service address.
 
 Cluster resources:
 
@@ -23,9 +23,9 @@ These are defined in manifests/ate-install/atenet-dns.yaml.
 ConfigMap `ate-system:dns`:
 
 ```
-# Match any 'A' query for a UUID pattern under actors.resources.substrate.ate.dev
+# Match any 'A' query for an actor id pattern under actors.resources.substrate.ate.dev
     template IN A actors.resources.substrate.ate.dev {
-        match "^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}\\.actors\\.resources\\.substrate\\.k8s\\.io\\.$"
+        match "^[a-z0-9]([-a-z0-9]*[a-z0-9])?\\.actors\\.resources\\.substrate\\.ate\\.dev\\.$"
         answer "{{ .Name }} 60 IN A <router service address>"
     }
 ```