Returns the notification service health status of a specific secondary domain.

This endpoint returns the notification service health status of a specific secondary domain, so users can verify that monitoring and alert delivery are functioning as expected.</br></br> Key features include:</br></br> - Clear success messaging: Returns a 200 success code with a confirmation message indicating the successful completion of the requested action.</br> - Comprehensive error handling: Returns a 404 error code with a clear description when requests fail.</br> - Targeted data retrieval: Employs the domainId parameter to return the specified domain's notification service health status, ensuring accuracy and relevance in the response.