You should log in to review each domain's dashboard at least once per week. The sooner you are aware of a new issue, the sooner you can action a fix and prevent revenue loss. If you use a task management tool like Jira, or manage your schedule using Google Calendar, we recommend setting a weekly task or reminder to check Noibu so it becomes part of your weekly routine.
We also recommend you keep an eye out for email alerts, and review any impactful errors highlighted therein.