Update CNAME records to include multiple entries

domains/jumanji.json

@@ -6,7 +6,16 @@
   "records": {
     "MX": ["mx1.improvmx.com", "mx2.improvmx.com"],
     "TXT": "v=spf1 include:spf.improvmx.com ~all",
-    "CNAME": "heyjumanji.pages.dev"
+    "CNAME": [
+      {
+        "host": "@",
+        "value": "heyjumanji.pages.dev"
+      },
+      {
+        "host": "www",
+        "value": "cname.vercel-dns.com"
+      }
+    ]
   },
   "proxied": true
 }