multi domain wildcard certificate

This type of certificate uses Subject Alternative Names (SANs) along with wildcard entries. For example, you can secure *.example.com and *.example.net within the same certificate.

A Multi-Domain SSL secures multiple specific domains, while a Wildcard SSL secures one domain and all its subdomains. A Multi-Domain Wildcard SSL combines both capabilities, allowing multiple domains and their subdomains to be secured together.

The number depends on the certificate provider and plan. Many providers allow dozens of domains, each with unlimited subdomains when using wildcard entries.

Yes, it is ideal for businesses managing multiple domains and complex infrastructures. It simplifies certificate management and reduces the need for multiple certificates.

Yes, additional domains or wildcard entries can usually be added by reissuing the certificate. Validation will be required for any newly added domains.

These certificates are typically available in Domain Validation (DV) and Organization Validation (OV). Extended Validation (EV) is generally not supported with wildcard functionality.

Yes, they are often more cost-effective than purchasing separate certificates for each domain and subdomain. They also reduce administrative overhead by consolidating management into a single certificate.

If the certificate expires, all associated domains and subdomains will display browser security warnings. This can impact multiple services at once, making timely renewal essential.

The main benefits include flexibility, scalability, and simplified management. It is particularly useful for organizations with multiple domains, subdomains, and dynamic environments.