Added MX and TXT records for improvmx to shakil.json

domains/shakil.json

@@ -5,5 +5,7 @@
     },
     "records": {
         "CNAME": "wait2late.github.io"
-    }
+        "MX": ["mx1.improvmx.com", "mx2.improvmx.com"],
+        "TXT": ["v=spf1 include:spf.improvmx.com ~all"]
+    },
 }