.CH & .LI Registry
Scheduled for Jan 8, 2020, 22:00 - 22:30 PST
During this scheduled system maintenance, the following services may be unavailable:

Availability Checks
Whois Services
Domain Purchases
Domain Renewals
Domain Updates

For a list of affected TLD's, please look the registry up in the following spreadsheet:
Posted Oct 10, 2019 - 12:45 PDT
This scheduled maintenance affects: Domain Services (Other gTLDs).