diff --git a/data/stackexchange b/data/stackexchange
index e38cb39d..06ebef10 100644
--- a/data/stackexchange
+++ b/data/stackexchange
@@ -4,4 +4,6 @@ stackoverflow.com
 serverfault.com
 askubuntu.com
 superuser.com
+stackapps.com
+mathoverflow.net
 sstatic.net