The mp4 in my background doesn't play on the parked domain

My website has an mp4 it plays in the background but it won’t play on beraz.cf. But it plays on the (insertnamehere).000webhost.com website? How do i fix this

The video plays for me on macOS 10.14 using Safari. What browser did you test it on?

newest google chrome on windows 10

Interesting. The video works using Chrome on Windows 7, so could you try using Edge?