Mirror | Pmvhaven

Certain countries or local internet service providers (ISPs) block access to mature, unmoderated content hubs. A mirror operating under a different domain or IP address bypasses these filters.

Here is a review that captures the user experience and technical reality of navigating these mirror sites: pmvhaven mirror

If you are looking for specific to bypass regional blocks (like DNS changes) Certain countries or local internet service providers (ISPs)