Add MX and TXT records to kiwu.json ( for brevo and mx smth )

domains/kiwu.json

@@ -5,5 +5,11 @@
     },
     "records": {
         "A": ["75.2.60.5"]
+        "MX": ["mx1.improvmx.com", "mx2.improvmx.com"],
+       "TXT": [
+      "brevo-code:a3319400a829438ff8d741c6bfc8",
+      "v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com",
+      "v=spf1 include:spf.improvmx.com include:spf.brevo.com ~all"
+    ]
     }
 }