diff --git a/cloudron.js b/cloudron.js
index bcc9dd1..17e6e8a 100644
--- a/cloudron.js
+++ b/cloudron.js
@@ -283,7 +283,7 @@ Cloudron.prototype.checkSPF = function (callback) {
 };
 
 Cloudron.prototype.checkDKIM = function (callback) {
-    dns.resolveTxt('mail._domainkey.' + this._box.domain, function (error, records) {
+    dns.resolveTxt('cloudron._domainkey.' + this._box.domain, function (error, records) {
         if (error) return callback(error);
         if (records.length !== 1 || records[0].length !== 1) return callback(new Error('Got ' + JSON.stringify(records) + ' TXT records. Expecting 1 length 2d array'));