The UltraStunting SA-MP server was officially shut down on November 30th, 2019.
In the future, there will be a museum of the server and its community here. It will describe the server's history, notable players and locations, among other things. The release date is unknown, it will be done when it is done.
The official Discord server is still active and can be joined below:
JOIN ULTRASTUNTING DISCORD SERVER
The latest Web Archive snapshot of the server forum can be accessed below:
ACCESS LATEST WEB ARCHIVE SNAPSHOT
In accordance with the server founder's wishes, the SA-MP server files have been made available for download below:
DOWNLOAD ULTRASTUNTING SA-MP SERVER FILES