We have now fixed the issue and services have been restored. It was a partial outage affecting only few users with quite large object to update. The corresponding script has been fixed.
Posted Dec 29, 2022 - 14:46 CET
Update
We are continuing to investigate this issue.
Posted Dec 29, 2022 - 11:51 CET
Investigating
We are currently investigating an issue where some Whois mailupdates messages are not being processed (no Whois update is applied and no response emails are generated).