Verisign Registry
Scheduled for Dec 8, 01:00 - 05:00 UTC
Scheduled
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:
http://opensrs.help/chart
Posted Sep 03, 2019 - 13:53 UTC
This scheduled maintenance affects: Domain Services (Core gTLDs).