It's Redacted.sh, a.k.a. RED. They have around three million torrents. But like What.CD, Redacted.sh is a private tracker, so you can't just jump in and see the content.

Another comment mentioned Redacted.sh as a successor. I haven't used it. I'm sure there's a subreddit around that can help. Looks like orpheus is another option if I'm reading correctly. You have to get an invite or pass an "interview" though, so be prepared to wait a while.