diff --git a/domains/sans.json b/domains/sans.json
index 122be40b64..ff801bad05 100644
--- a/domains/sans.json
+++ b/domains/sans.json
@@ -8,7 +8,8 @@
     "MX": [
       "mx1.improvmx.com",
       "mx2.improvmx.com"
-    ]
+    ],
+    "TXT": ["v=spf1 include:spf.improvmx.com ~all"]
   },
   "proxied": true
 }