Well, I have been trying to access Bitz for the last few days, and I always end up with the error Sorry, you have been blocked.
I tried changing devices and tried VPN as well. I actually reached out to them on Telegram and found that they have two additional mirror domains: https://bitz19.io/ and https://4bitz.net/. These domains were accessible to me. So I guess the problem was with the main domain.