As far as I understand there is an automatic redirect from the old name
and https://murena.io/.
I originally created my account at https://ecloud.global, there was a name change announced and at some point I was now using https://murena.io/. There was no noticeable effect on my data in my account.
The advice I saw already was
Pl send a mail to helpdesk@e.email with the account details you remember and the team will help you resolve the issue.