diff --git a/.github/workflows/validation.yml b/.github/workflows/validation.yml
index 577704e..2eaf9a8 100644
--- a/.github/workflows/validation.yml
+++ b/.github/workflows/validation.yml
@@ -36,9 +36,8 @@ jobs:
                   pattern: "\\.json$"
               env:
                   BASE: "domains/"
-            # NOTE: wait for wildcard support
-            # - name: Validate JSON Schema
-            #   uses: docker://orrosenblatt/validate-json-action:latest
-            #   env:
-            #     INPUT_SCHEMA: "schema.json"
-            #     INPUT_JSONS: "domains/*" 
+            - name: Validate action.yml against a remote schema
+              uses: cardinalby/schema-validator-action@v3
+              with:
+                file: 'domains/*.json'
+                schema: 'schema.json'
diff --git a/schema.json b/schema.json
index e553c41..b5166a5 100644
--- a/schema.json
+++ b/schema.json
@@ -1,4 +1,5 @@
 {
+  "$schema": "http://json-schema.org/draft-07/schema#",
   "type": "object",
   "properties": {
     "description": {
@@ -11,11 +12,17 @@
           "type": "string"
         }
       },
-      "required": ["username"]
+      "required": ["username"],
+      "additionalProperties": {
+        "type": "string"
+      }
     },
     "record": {
       "type": "object",
       "properties": {
+        "ALIAS": {
+          "type": "string"
+        },
         "A": {
           "type": "array",
           "items": {
@@ -67,7 +74,9 @@
           }
         }
       },
+      "required": [],
       "anyOf": [
+        { "required": ["ALIAS"] },
         { "required": ["A"] },
         { "required": ["AAAA"] },
         { "required": ["CNAME"] },
@@ -80,5 +89,5 @@
       "type": "boolean"
     }
   },
-  "required": ["owner", "record", "proxied"]
+  "required": ["owner", "record"]
 }