Is a Wildcard SAN certificate possible? [closed]
Yes, it’s certainly technically possible. For instance, the cetrtificate for Microsoft Outlook Web Access (https://outlook.office365.com) was issued to outlook.com, and has a combination of wildcarded and non-wildcarded names in the SAN section: DNS Name=outlook.com DNS Name=*.outlook.com DNS Name=office365.com DNS Name=*.office365.com DNS Name=*.live.com DNS Name=*.internal.outlook.com DNS Name=*.outlook.office365.com DNS Name=outlook.office.com DNS Name=attachment.outlook.office.net DNS Name=attachment.outlook.officeppe.net Of course, as …