+1(888) 481.5388
  1. Home
  2. Resources
  3. Multi-Domain

Multi-Domain

How to Add a Subject Alternative Name (SAN) to an SSL Certificate 

We’ll walk you through how to add a subject alternative name (SAN) entry to a new or existing SSL/TLS multi-domain certificate 

This guide on “how to add a subject alternative name in an SSL certificate” will walk you through adding

Read more...

How to Secure Second- & Third-Level Subdomains with Wildcard SSL Certificates

If you have a website and want to protect your main site + multiple levels of subdomains, this is where wildcard SSL certificates come in handy.

If you’re looking to secure multiple levels of subdomains with a wildcard SSL certificate, you’re in the right place! A wildcard SSL certificate for nested subdomains

Read more...

How to Secure Multiple IP Addresses with a SAN SSL Certificate

We often get questions from admins asking, “Can I use a SAN SSL certificate for multiple public IP addresses?” Yes — learn how in this step-by-step guide

A SAN SSL certificate can certainly be used to secure multiple IP addresses (so long as they’re not private or reserved IP addresses). It’s rare, but companies sometimes

Read more...

What is an SSL Certificate for Your Mail Server?

Servers that host websites aren’t the only ones that need SSL certificates. You need to have an SSL certificate on your mail server, too.

Read more...

What is UCC Certificate? And Why You Need a UCC for Microsoft Exchange

A unified communications certificate (UCC), sometimes called a Microsoft Exchange SSL certificate, is a variant of SSL certificate designed specifically for Microsoft Exchange and Office Communications servers. But, why, you may be — but almost definitely aren’t — asking, why do Microsoft Exchange and Office Communications servers get their OWN SSL certificate?

Read more...

The Value of UCC SSL Certificate

What is a Digital Certificate?

It is an electronic “password” issued post verification by a trusted body known as a certificate authority (CA) to ensure that messages are transferred and received securely

Read more...

Can I Use One SSL Certificate on Multiple Domains?

We get asked the following question a lot in this industry: “Can I use one SSL certificate on multiple domains?” No matter what language you speak, no matter what industry you work in, the answer is still the same: Yes, you can use one SSL certificate for multiple domains on the same server.

Read more...

What is Multi Domain SSL, or a UCC / SAN SSL Certificate?

If you’re here because you’ve asked your search engine “What is multi domain SSL,” “what is a SAN certificate,” “what is UCC SSL,” or any variation of those questions, you’ve come to the right place.

Read more...

What is SNI or Server Name Indication – Explained with an Example

In the world of TLS, Server Name Indication or SNI is a feature that allows clients (aka your web browser) to communicate the hostname of the site to the shared server. It’s

Read more...

What Is a Subject Alternative Name (SAN) SSL Certificate?

What Is a SAN certificate? Here’s what to know…

A SAN SSL certificate, short for “subject alternative name” certificate, allows you to secure multiple domain names under a single X.509 digital

Read more...

Is There a Free Multi Domain SSL Certificate?

Now that a basic single site domain validation SSL certificate can be had for free, one of the most common questions we get is whether there’s a free multi domain SSL certificate. Yes, there is currently a free multi domain certificate available. But it doesn’t mean it’s actually the best choice for your website or your customers.

Read more...

How to Install a Multi-Domain SSL Certificate on HostGator

HostGator multi-domain ssl certificates

HostGator is more than happy to sell you a Comodo Positive Multi-Domain SSL certificate to use on your HostGator website. They start at $80 per year and each additional domain costs you $25 per year.

With all due respect to HostGator, that’s a terrible deal.

Read more...