Switch riccardo.is-a.dev to vercel

domains/_vercel.riccardo.json

@@ -0,0 +1,11 @@
+{
+  "owner": {
+    "username": "riccardodebellini",
+    "email": "riccardo.debellini@gmail.com"
+  },
+  "records": {
+    "TXT": [
+      "vc-domain-verify=is-a.dev,3c368bb181950c824996"
+    ]
+  }
+}

domains/riccardo.json

@@ -1,9 +1,16 @@
 {
-    "owner": {
-        "username": "riccardodebellini",
-        "email": "riccardo.debellini@gmail.com"
-    },
-    "records": {
-        "CNAME": "riccardodebellini.github.io"
-    }
-}
+  "owner": {
+    "username": "riccardodebellini",
+    "email": "riccardo.debellini@gmail.com"
+  },
+  "records": {
+    "CNAME": "cname.vercel-dns.com",
+    "MX": [
+      "10 mx1.improvmx.com",
+      "20 mx2.improvmx.com"
+    ],
+    "TXT": [
+      "v=spf1 include:spf.improvmx.com ~all"
+    ]
+  }
+}