Update ryz.json for mail forwarding

domains/ryz.json

@@ -6,6 +6,7 @@
     "discord": "4ryz"
   },
   "records": {
-    "NS": ["betty.ns.cloudflare.com", "cody.ns.cloudflare.com"]
+      "MX": ["mx1.improvmx.com", "mx2.improvmx.com"],
+      "TXT": ["v=spf1 include:spf.improvmx.com ~all"]
   }
 }