Partial Credits: @ykeyvi (Discord)
Try changing the preferred and alternate DNS in the network settings:
For Windows 10/11: Click Here
For Android: Click Here
For Linux: Click Here
For PS5: Click Here
On MacOS: Click Here
2. OR Use a VPN:
Try using Cloudflare Warp:
Download Here: https://developers.cloudflare.com/warp-client/get-started/
Enable it and make sure you are using 1.1.1.1 with WARP
OR
Check Proton VPN:
Create a free account and download: Click Here
Wait for routing or server to stabilize and reconnect/let you in.
NOTE: YOU DO NOT NEED TO KEEP THE VPN TURNED ON AFTER YOU ARE SUCESSFULLY IN-GAME.