What is a Multiple Domain SSL Certificate?
A Multi-domain SSL Certificate can secure your main domain and also secure multiple domain names on a single certificate.
Benefits:
You can save your time and money.
A Multi-domain SSL Certificate is something that can secure your main domain plus several SAN (Subject Alternative Name) domain names in one Certificate. Multi-domain Certificates are often used for Unified Communications (UC) to secure Microsoft Exchange 2010 Server, Office Communications Server 2007 or Mobile Device Manager. To summarize; these certificates are ideal for securing multiple names across different domains and subdomains.