Here you can search and view our site Knowledge Base. To find a specific article, use KB-article number format (ex. KB-1)
Article number: kb-18
Q. Can I secure multiple subdomains with a single Certificate?
A. An SSL certificate is issued to a fully qualified domain name (FQDN). This means that an SSL certificate issued to "secure.yourdomain.com" cannot be used on different subdomains, such as "www.yourdomain.com".