In Firefox - How To Unblock A Site

5. Switch to a Different DNS Provider or Enable DNS over HTTPS (DoH)

If you see "Warning: Potential Security Risk Ahead," click . how to unblock a site in firefox

The Internet Archive’s Wayback Machine (web.archive.org) stores historical snapshots of websites. Enter the blocked URL and select a date. While you won’t get the live version, you can often access older content. you can often access older content.