Yea it works, but like you said for how long. looking at the domain:
Expires On : 2021-12-18
Registered On : 2020-12-18
Updated On : 2020-12-23
Being they are using googles education service I am sure it will not last long. I purchased to see what the domain name was, and Just playing around with it I see it does not allow API's to be setup, so rClone will not work. Google is aware of this and are fighting it every day. Look at this link.
https://support.google.com/a/thread/27151224?hl=en
Just know if you are purchasing this don't store something you do not have a backup somewhere else.