DigiCert SSL Plus (OV) is a single-domain SSL certificate that builds a secure connection between a web server and a browser. In addition to domain validation, DigiCert authenticates your business's identity and shows visitors that your website is safe to visit by placing a padlock beside your web address in a browser.
DigiCert Standard SSL Features
Domain + Basic Business
No, this cert secure 1 domain Only. Want to secure more than 1 domain (or subdomain) with 1 cert, check out Multi Domain SSL.
No, this is not a Wildcard SSL. If you want to secure all the next level sub domains, checkout Wildcard SSL.
Green Address Bar
Not Support. To get a Green Address Bar for your website, you need an EV SSL.
Compatible with all mobile devices
Compatible with all major browsers of desktop and mobile