diff --git a/domains.txt b/domains.txt
index adf0d81..8035501 100644
--- a/domains.txt
+++ b/domains.txt
@@ -175,4 +175,5 @@ marketplace.visualstudio.com
 files.oaiusercontent.com
 notebooklm.google
 notebooklm.google.com
-maps-cdn.zepp.com
\ No newline at end of file
+maps-cdn.zepp.com
+tunnelbroker.net
\ No newline at end of file