diff --git a/domains/app.securesandbox.json b/domains/app.securesandbox.json
index 63c2838a06..d0db32be61 100644
--- a/domains/app.securesandbox.json
+++ b/domains/app.securesandbox.json
@@ -6,11 +6,6 @@
     "discord": "crowleycrowd"
   },
   "records": {
-    "MX": ["feedback-smtp.us-east-1.amazonses.com"],
-    "TXT": [
-      "v=spf1 include:amazonses.com ~all",
-      "p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCqstJSWbINtFx1fSomoSdFnVgLNt9dQgSrwrBQKyWqVd/FCUJxSKftjXAUthTCddxGwggtlrm3nbj8/fwNUpTDJ0znmG3JnuSmZ3Ac/HBrnySZjyQw152/A9eW+wMYMsk4DjACYfkGubdIx12i5LS4YFeBbYjtAVHkf4Oy7Xj2EQIDAQAB",
-      "v=DMARC1; p=none;"
-    ]
+    "CNAME": ["app.securesandbox.is-a.dev"]
   }
 }