Rutracker.net is mirror of rutracker.org, both are working.
* Kinozal.tv: fixed.
- Underverse: removed.
Thanks for review!

Rutracker.org is original site, so I don't want to change it to mirror.
You can use custom code for rutracker.net:
1. Copy code from https://github.com/LordTheWanderer/TSE/blob/main/trackers.js
2. Open TSE main page, press "Trackers" button
3. Paste code to the right panel and press "Save" button
4. Open TSE main page, click on rutracker.net checkbox and accept additional permission for that tracker
5. Enjoy