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Multi-Domain SSL Certificates

Secure 250 separate domains, IPs or SANs with one certificate

A Multi-Domain SSL Certificate gives you complete versatility-it streamlines management. Easily secure multiple domains, sub-domains, external IP addresses and other environments on a single certificate throughout its entire lifecycle. This effectively streamlines the management of your certificates by syncing up certificate expiration dates and reducing installations.

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What is Multi-Domain SSL?

Plain and simple, it's certificate management made simple. Secure 250 different domains/IPs on a single certificate-it doesn't get any easier. Whether your web presence consists of just a couple of domains and sub-domains, or you're managing a massive infrastructure-certificate management can be a huge pain. Multi-Domain SSL certificates help alleviate this burden by giving you the flexibility to secure multiple domains, sub-domains, external IPs and server environments simultaneously with just a single certificate throughout its lifespan.

How does Multi-Domain SSL work?

When you generate your Certificate Signing Request (CSR), you list each additional IP in the Subject Alternative Name (SAN) field. Here is where you can fill out up to 250 SANs. That's the most in the industry-by far. You can do this at any time during the certificate's lifecycle, you'll just need to reissue.

Subject Alternative Names (SAN)

The SAN field functionality gives you the flexibility to secure your entire web presence at once.2-4 SANs or Subject Alternative Names are typically bundled with a Multi-Domain certificate purchase. Additional SANs can be purchased separately as needed. Best of all, over the lifespan of the certificate you can add, change or remove SANs-so the certificate can grow with your business.

A Multi-Domain SSL certificate can secure:

  • www.domain-one.com
  • mail.domain-one.com
  • domain-two.com
  • ftp.domain-two.com
  • website-one.net

Extended Validation Multi-Domain SSL?

Yep! A marriage of maximum assurance and absolute versatility

  • Maximum Assurance Nothing puts a customer at ease like the green address bar. EV SSL provides maximum assurance by giving your customers verified proof of identity.
  • Absolute Versatility No matter what you need to secure, a Comodo EV Multi-Domain SSL certificate can handle it. Up to 250 unique IPs. The most in the entire SSL industry.
  • Enhance Brand Unify your brand presence by adding the green address bar and prominently displaying your organization's name across your entire web presence.

Multi-Domain SSL Certificates Use Cases

No matter what you need to secure, Multi-Domain SSL can secure it for you.

  • Unified Communications
  • Fully Qualified Domain Names
  • Multi-Level Sub-Domains
  • Public-Facing IP Addresses

Run Multiple Services

Run multiple services on one IP address and use a multi-domain SSL certificate to secure them all.

  • OWA
  • Outlook Anywhere
  • SMTP
  • AutoDiscovery
  • Active Sync

Multi-Domain FAQ

What are the benefits of Multi-Domain SSL?

Multi-Domain SSL certificates ease administrative burdens by simplifying certificate management, they also streamline installation and save you money. Really the biggest benefit is convenience.

What's the difference between Multi-Domain and Wildcard SSL?

A Wildcard SSL certificate can only secure one domain and an unlimited number of accompanying subdomains. A multi-domain certificate can secure up to 250 different domains, sub-domains and IPs at once.

What is a Multi-Domain Wildcard SSL certificate?

Multi-Domain Wildcards are the true jack-of-all-trades SSL certificates. It can secure up to 250 different domains and an unlimited number of accompanying sub-domains. Multi-Domain Wildcard certificates use a special kind of SAN called a Wildcard SAN.

What's the Difference between UCC and Multi-Domain certs?

Nowadays, not much. Originally UCCs were designed to work specifically on MS Exchange and Office Communications servers. But nowadays Multi-Domain certificates work on those environments as well.

One SSL Certificate to Secure Them All

Securing you entire web presence doesn't have to be a challenge. Let us guide you through the process and get you started on the path towards encryption.

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