Setup Exosphere / DNS MITM
Exosphere
Create a file named exosphere.ini in the root of your SD card and paste one of these configurations inside the file:
For EmuNAND:
For SysNAND:
DNS MITM
Create a file named default.txt in /atmosphere/hosts/ (the hosts folder won't exist, so make sure to create it)
and paste this in your default.txt file:
Note:
If you plan to use Atmosphere on SysNAND for online play and EmuNAND for offline play, rename the file to emummc.txt.