Hetzner Accounts routine maintenance work (several features)

During this time, we will be doing routine maintenance work on Hetzner Accounts (https://accounts.hetzner.com). The following features won't be available:

- Change of customer master data
- Change of payment details
- List and pay invoices
- View and redeem promo codes
- If you request unblocking, it may take up to 2 hours for this to be carried out