SubjectAltName
An example of an EV certificate on https://www.ssl.com (note the Subject Alternative Name (SAN) field)
subjectAltName (SAN) is an extension to X.509 that allows various values to be associated with a security certificate.[1] These values are called "Subject Alternative Names", or SANs. Names include:[2]
- e-mail addresses
- IP addresses
- URIs
- DNS names (Otherwise often given as a Common Name RDN within the Subject)
- directory names (alternative Distinguished Names to that given in the Subject)
- other names, given as a General Name: an registered Object identifier followed by a value