NextGamer Now has its own Runescape private Server if you want to access it go to

Moparscape.org

then wait till the screen loads fully

then on the top where it says file click on it

Then click new server

for the server name put nextgamer.no-ip.biz

and for port put 43594

then click ok then after that click start server

then you click login and login with a new use ror pass