Merge pull request #40388 from EducatedSuddenBucket/main

Create rubber-duck.json

domains/rubber-duck.json

@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "EducatedSuddenBucket"
+    },
+    "records": {
+        "MX": ["mx1.improvmx.com", "mx2.improvmx.com"],
+        "TXT": ["v=spf1 include:spf.improvmx.com ~all"]
+    }
+}