> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.serverfreak.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Can I Secure Multiple Subdomains with a Single Certificate?

To secure all subdomains of your domain you will need to get WildCard certificate.  Subdomains including *.mydomain.com and the following host names:

mydomain.com
www.mydomain.com
login.mydomain.com
secure.mydomain.com
support.mydomain.com
*.sub.mydomain.com

Kindly contact our sales department (**sales@serverfreak.com**) if you wish to subscribe to Wildcard certificate.