.NO registry
Scheduled for Apr 21, 07:00 - 09:00 UTC
During this scheduled system maintenance by the registry, 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 Feb 14, 2020 - 12:58 UTC