Choose a DigiCert SSL Certificate and secure multiple1 domain names by adding them to the Subject Alternative Name (SAN) field during enrollment. SAN is an optional feature available for Secure Site Pro with EV, Secure Site with EV, Secure Site Pro, Secure Site Wildcard, and Secure Site Certificates. Compare these SSL Certificates.
SAN Certificates are often used for Unified Communications (UC) to secure Microsoft Exchange 2007 Server, Office Communications Server 2007, or Mobile Device Manager. For example, you can secure all these domains with a single SAN Certificate: