diff --git a/domains/lophoctinhthuong.is-local.org.json b/domains/lophoctinhthuong.is-local.org.json
index d85a5b88..990026c7 100644
--- a/domains/lophoctinhthuong.is-local.org.json
+++ b/domains/lophoctinhthuong.is-local.org.json
@@ -9,7 +9,7 @@
     },
 
     "record": {
-        "MX": ["SMTP.GOOGLE.COM"],
+        "MX": ["smtp.google.com"],
         "TXT": ["google-site-verification=qPjtcM6ve8YVnBcO7VeMFsOm9pkhCXoYTQhMs0qwo-M"]
     },