Hi @krager,
Welcome to the Auth0 Community!
The situation you observed can happen if you are using your canonical domain rather than a custom domain. As a result, when the user is redirected to Google from your app, it will show the domain you have configured on your tenant.
With that, I recommend that you refer to this knowledge solution on addressing this scenario.
Additional reference:
Please let me know if you have any questions.
Thanks,
Rueben