Torrent search engines that crawl the DHT seem like they’d be the least likely to be taken down, as they don’t host any torrent files or run their own trackers, they simply crawl the torrent DHT directly for magnet links.
Here's my favorite DHT-based torrent search engine:
https://bitsearch.to
#torrents
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Notice also that they don't trust the DHT and tell you to use a hundred trackers such that downloads actually work.
Where do you see that?