FAQ: General Questions About DigiCert Digital Certificates

Are DigiCert SSL certificates automatically trusted by browsers?

Yes! DigiCert SSL certificates are automatically trusted in all of today's common browsers including Google Chrome, Firefox, Microsoft Edge, Internet Explorer, Safari, and Opera.

How does a Wildcard certificate work?

Our DigiCert Wildcard SSL Certificate provides SSL protection for unlimited first-level sub-domains of the domain name you specify in your Certificate Signing Request (CSR).

For example, you get a DigiCert SSL Wildcard Certificate for *.your_domain.com. With this certificate, you can secure unlimited first-level subdomains, such as:

  • www.your_domain.com
  • mail.your_domain.com
  • admin.your_domain.com
  • sales.your_domain.com
  • europe.your_domain.com
  • anything.your_domain.com

The asterisk (*) in the common name serves as the wildcard character that allows the certificate to take on any first-level subdomain name. The value assumed by the asterisk (*) must not have a period or 'dot' in it (i.e., your *.your_domain.com does not secure anything.anything.your_domain.com as it is a second-level subdomain of your_domain.com). This is why we say that the Wildcard certificate covers unlimited first-level subdomains.

The Wildcard certificate comes with an unlimited server license, meaning that you can install the certificate on as many different server machines as you want at no extra cost. The naming scheme requirement described above remains the same for the additional servers.

What is a 'scalable SSL certificate'?

Scalable certificates offer a range of encryption bit length. By default, DigiCert digital certificates are 2048-bit encryption strength. However, some older web browsers only support an encryption length of 256-bit, 128-bit, and 40 bits. Rather than force those customers to upgrade their browsers, the DigiCert certificate scales down, offering the customer the maximum strength they can support.

What is a 'Site Seal'?

A DigiCert Site Seal is offered FREE ($79 Value) when you purchase a DigiCert SSL certificate, this Site Seal provides a stamp of legitimacy on your site. It provides a dynamic proof that DigiCert has verified your business or organization.

Will DigiCert digital SSL certificates work with my servers?

DigiCert certificates are standard x509 certificates. They are fully compatible with all common server platforms including all Windows servers, Apache servers, Tomcat servers, and many, many more.

Why are authentication and validation so important?

SSL certificates are not only used for encryption. They can also show that a Certificate Authority has verified your company. In this way, the certificate also works as verification of your business. When a Certificate Authority gives out SSL certificates like candy, the Internet becomes an unsafe place with high fraud risks. Before DigiCert issues a high assurance certificate, we verify the organizational details of the entity that applied for the certificate. Through this vetting process we build confidence in your customers while making the Internet a safer place for everyone.