DigiCert is the company that we use to issue your Digital Certificate for use with your Direct Address.
"DigiCert is a U.S.-based Certificate Authority located in Lehi, Utah, and has provided SSL Certificates and SSL management tools for over a decade. While other CAs offer a variety of products unrelated to encryption, DigiCert is solely focused on SSL innovation, which is paired with unmatched customer service.
DigiCert provides a full line of SSL Certificates, tools, and platforms for optimal certificate management. We are industry leaders and work with manufacturers, government entities, educational facilities, and healthcare providers to provide secured communication."
For further information, please visit their website: https://www.digicert.com/about-digicert.htm