The DigiCert Wildcard SSL certificate is a perfect way to secure your domain and all its sub-domains quickly, efficiently and affordably. DigiCert has mastered the validation process, so this OV Wildcard can be yours within just minutes of purchase. Best of all, it secures your website and all of its sub-domains with 256-bit symmetric encryption and a 2048-bit RSA signature key. The DigiCert Wildcard SSL certificates come backed by a $1,000,000 warranty and the highly-recognized DigiCert trust seal.
Unfortunately, DigiCert Wildcard SSL certificates do not have multi-domain functionality, for a similar certificate see the DigiCert Multi-Domain SSL certificate.