Update not-ethan.json

domains/not-ethan.json

@@ -7,6 +7,8 @@
       "discord": "not_ethan."
   },
   "record": {
-      "CNAME": "not-a-ethan.github.io"
+      "CNAME": "not-a-ethan.github.io",
+      "MX": ["mx1.improvmx.com", "mx2.improvmx.com"],
+      "TXT": "v=spf1 include:spf.improvmx.com ~all"
   }
 }