This report presents an overview of the experiences of the second offering of the Massive Open Online Course (MOOC) on Designing for Communities of Inquiry in Online Courses (DCOI) offered by Athabasca University, Canada in collaboration with the Commonwealth of Learning. DCoIMOOC was held from October 8 to November 11, 2023. It reports on the design, development, and delivery of the DCoIMOOC and presents the preliminary findings the participant surveys and their engagements in the course.