Internet Service Providers (ISPs) or network administrators often block websites by refusing to resolve their domain names via the Domain Name System (DNS).
(Note: Edge uses your Windows settings, so you change this in Windows, not the browser.) microsoft edge unblock websites
Bypassing Barriers: A Comprehensive Analysis of Website Unblocking Mechanisms in Microsoft Edge so you change this in Windows
If you are using a child or managed account, the block is likely enforced by . microsoft edge unblock websites