A wildcard SSL Certificates are for SSL encryption on multiple sub domain using one single certificate if domains are under same organization and contribute the unique second-tier domain name.
Like
link provide to company XYZ using the unique name *.organizationxyz.com used to secure its sub domain
• signin.organizationxyz.com
• transaction.organizationxyz.com
• helpsupport.organizationxyz.com
link provides you to secure all you sub domain which are registered under main sub domain. Wildcard SSL certificates help to secure your clients or online end users important data with strong encryption...
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