The Sectigo OV SSL Multi-Domain/UCC is a flexible, affordable SSL/TLS option that’s great for Enterprise intranets and connections made behind network firewalls. Basically anywhere that it wouldn’t make sense to spring for EV. Sectigo OV SSL Multi-Domain/UCCs work on all server types, including Microsoft Exchange and Office Communications servers. All Sectigo SSL/TLS certificates meet or exceed current industry standards for encryption and come backed by generous warranties and a 30-day moneyback. Best of all, you can save money and time by encrypting up to 250 different domains on a single certificate.