chore: formatting file 21z.json

domains/21z.json

@@ -1,10 +1,13 @@
 {
-  "owner": {
-    "username": "21Z",
-    "discord": "780356848737058857"
-  },
-  "record": {
-    "MX": ["mx1.improvmx.com", "mx2.improvmx.com"],
-    "TXT": "v=spf1 include:spf.improvmx.com ~all"
-  }
-}
+    "owner": {
+        "username": "21Z",
+        "discord": "780356848737058857"
+    },
+    "record": {
+        "MX": [
+            "mx1.improvmx.com",
+            "mx2.improvmx.com"
+        ],
+        "TXT": "v=spf1 include:spf.improvmx.com ~all"
+    }
+}