Cookieless domain setup

Multisite Cookieless Domain

I'm wondering if it's possible to set this up? I've tried to follow several guides but it just doesn't seem to work on multisite installation. Anyone have any luck on multisite with this?

This is the guide I followed
https://www.itsupportguides.com/wordpress/wordpress-how-to-serve-static-content-from-a-cookieless-domain/