This article will explain if you can use one SSL for multiple Domains and how to secure it. Managing several websites, whether for different brands, projects, or business units, can quickly become complicated, especially when each domain requires its own security certificate. The good news is that you don’t need to juggle multiple SSLs. With a Multi Domain SSL certificate, also known as a SAN (Subject Alternative Name) certificate, you can secure multiple websites using just one certificate.

A Multi Domain SSL allows you to cover separate domain names, such as:

example.com
example.net
example.co.za

as well as subdomains, depending on the type of SSL certificate.

This consolidated approach cuts out the hassle of buying, installing, and renewing individual certificates. It streamlines your security management, reduces administrative effort, and ensures that each one of your digital properties remains safely encrypted and trusted by browsers.

For businesses running multiple web assets, a Multi Domain SSL certificate is an efficient, scalable, and cost-effective solution.

How to Use One SSL For Multiple Domains

1. Identify all domains or subdomains that need SSL coverage.

2. Purchase a Multi Domain SSL certificate from Domains.co.za.

3. Generate a CSR (Certificate Signing Request) and include every domain you want covered.

4. Submit the CSR to the Certificate Authority (CA) for validation.

5. Once the certificate is issued, install it on your hosting platform or server and ensure all linked domains are configured correctly.

Additional Information

• A single Multi Domain SSL significantly reduces administrative workload, especially around renewals, monitoring, and updates.
• You still benefit from industry-standard encryption (typically 256-bit), just as you do with regular SSL certificates.
• SAN certificates work seamlessly across major browsers, devices, and server platforms.
• Every SAN certificate has a maximum domain capacity, usually ranging from 100 to 250 domains.
• Each domain listed in the SAN certificate must pass CA validation before the certificate is issued.
• Our support team can assist with CSR creation, installation, verification, and configuration to ensure every domain is fully secured.

Login to Domains.co.za Account

1. Go to the Domains.co.za website Account Login page.

2. Enter your Email and Password and click the Sign In button.

3. You will see the Domains.co.za Dashboard, displaying the Manage Account menu on the left and your Account Information, Account Overview and Open Support Tickets on the right.