diff --git a/server/lib/blueprints/types.ts b/server/lib/blueprints/types.ts
index 650d5b18..cba9bfa7 100644
--- a/server/lib/blueprints/types.ts
+++ b/server/lib/blueprints/types.ts
@@ -290,8 +290,8 @@ export const ClientResourceSchema = z
         alias: z
             .string()
             .regex(
-                /^(?:[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?\.)+[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?$/,
-                "Alias must be a fully qualified domain name (e.g., example.com)"
+                /^(?:[a-zA-Z0-9*?](?:[a-zA-Z0-9*?-]{0,61}[a-zA-Z0-9*?])?\.)+[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?$/,
+                "Alias must be a fully qualified domain name with optional wildcards (e.g., example.com, *.example.com, host-0?.example.internal)"
             )
             .optional(),
         roles: z