Sectigo (Formerly Comodo) SSL - Sectigo Multi Domain Wildcard SSL (Formerly Comodo)

-Time-saving and economical solution that can secure unlimited sub-domains with a single certificate
-As many as 100 additional domains can be added
-3 domain names already included, along with all of their subdomains
-Quick Issuance period of between 1-3 Days
-Strong encryption capability of 128-256-bit
-99.9% web and mobile browser ubiquity
-Easily installed on different IPs
-Beneficial tools available for users' convenience like 'Installation Checker'
-Full business authentication
-Unlimited, free licensing for installing on multiple servers
-Free re-issuing policy
-24/7 SSL Certificate Support Through Ticket System

Additional Information
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Example: secure.yourdomain.com, www.yourdomain.com etc