https://blog.archive.org/2021/04/03/welcome-to-the-webspace-jam/
It was replaced by a site promoting the new movie.
Ah. I see. Here. They just moved it. https://www.spacejam.com/1996/ (https://www.spacejam.com/1996/)
Had to find it with google. Don't know why it didn't work when I typed the address in. Maybe it's because I left out the ending slash.