Can I just use

ISP hijacks and won’t fix. Is it ok to use Or best not to use CF in such a case where is hijacked/blocked?

That’s ( the preferred solution in your situation.

Have you already contacted them about this issue?

How about or instead of (regarding the known differences due to content serving & protection)?
Or it has to strictly go “in pair” like, and/or

I just wonder, what happens if you use a VPN like ProtonVPN (I am not their reseller, rather user on demand) with custom DNS servers like and - which works for me (if that can help in this issue or your case)?