DNS is what you’re looking for. To keep it simple and in one place (your adguard instance), you can add local dns entries under Filters > DNS Rewrites in the format below:
It’s still right to complain and protest about something that is unjust, even when ways to circumvent it exist. Because the next logical policy step is to ban VPNs, as many countries already have, and the solved problem becomes unsolved again.
DNS is what you’re looking for. To keep it simple and in one place (your adguard instance), you can add local dns entries under Filters > DNS Rewrites in the format below: