What is a wildcard certificate? - SSL Certificates - esadax.com

Author:Esadax
Updated:Jun 30, 2025

What is a wildcard certificate? A wildcard certificate is a type of SSL certificate that secures domain names along with unlimited one-level subdomains. This means it can protect multiple subdomains under a single domain.

For example, if you have a wildcard certificate issued to *.mydomain.com, it can be used for:

  • mydomain.com
  • www.mydomain.com
  • login.mydomain.com
  • secure.mydomain.com
  • support.mydomain.com

and many other one-level subdomains.

Esadax offers three types of wildcard SSL certificates:

  1. PositiveSSL Wildcard: Cost-effective solution for securing your domain and its subdomains.
  2. EssentialSSL Wildcard: Offers advanced features for enhanced security.
  3. PremiumSSL Wildcard: Perfect for businesses requiring the highest level of trust and security.

These certificates ensure that your website and all its subdomains are protected with robust encryption, helping to build trust with your visitors.

Choosing a wildcard certificate from Esadax allows you to focus on your business while we handle the security for you. Explore our options today and secure your domain with confidence.