SSL.com offers several certificates that can protect your site’s subdomains. This includes the wildcard certificate and the UCC certificate.
If you want to add subdomains to your SSL.com UCC certificate, you must reprocess your certificate. When you are reprocessing your certificate and generating your CSR, select the additional subdomains which you intend to protect. Your certificate will protect all of the selected domains.
Thank you for choosing SSL.com! If you have any questions, please contact us by email at Support@SSL.com, call 1-877-SSL-SECURE, or just click the chat link at the bottom right of this page. You can also find answers to many common support questions in our knowledgebase.