SE/.NU registry
Scheduled for May 6, 20:00 UTC  -  May 7, 01:00 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 Mar 13, 2020 - 12:18 UTC