diff --git a/config/locales/server.en.yml b/config/locales/server.en.yml
index 2ca19f3f55a..b9cbcf59abb 100644
--- a/config/locales/server.en.yml
+++ b/config/locales/server.en.yml
@@ -1571,7 +1571,7 @@ en:
       [2]: http://mxtoolbox.com/ReverseLookup.aspx
       [3]: http://www.dkim.org/
       [4]: http://whatismyipaddress.com/blacklist-check
-      [7]: http://dkimcore.org/tools/dkimrecordcheck.html
+      [7]: https://www.mail-tester.com/spf-dkim-check
       [8]: http://www.openspf.org/SPF_Record_Syntax
       [sg]: https://sendgrid.com/
       [sp]: https://www.sparkpost.com/