Wildcard SSL certificates gets your site URL and a limitless number of its subdomains secure. For instance, to secure this three domains www.mydomain.com, blog.mydomain.com and store.mydomain.com you could buy three single SSL Domain Validation certificates or a single Wildcard SSL Certificate.
Wildcard certificates secure the primary domain name and all subdomains at the level you determine when you purchase your SSL. Simply add an asterisk (*) in the subdomain region to one side of the regular name.
On the off chance that you demand your certificate for *.mydomain.com , you can get secure all of the domain names bellow:
… and more
Wildcard certificates secure sites actually like standard SSL certificates, and require a similar approval process called depending on the validation process type (DV, OV or EV),
Ready ? Order an SSL Wildcard Certificate from Sectigo from here at just 79.99 Euro/Year !