The community member is experiencing an error while trying to deploy and is unsure if the problem is on their domain or the webstudio's side. Other community members have not seen this error before and have asked the community member to share their hostname, which is lamouette.ca. The error message indicates a "CNAME Cross-User Banned" issue. A community member has provided a link to an AI-generated help article from webstudio.is that may be relevant to the problem, but there is no explicitly marked answer in the comments.
