Multi-Domain SSL Certificate: Everything You Want to Know

If you are part of the new boom in online businesses, then you must be already aware of the importance of SSL Certificate security for your growth. Online scams and complex hacking techniques raise many questions regarding the security needs of your websites and also the cost of investing in the right SSL Certificate.

Moreover, if you have more than one website, then to secure each one of them with an SSL Certificate proves to be a very expensive, time-consuming, and complicated proposition. Multi-domain SSL Certificate is the answer to all your security and budget needs.

There are many trusted Certification Authorities that issue Multi-domain SSL Certificates like Comodo, Sectigo, and many more. There are total 3 types of multi-domain ssl certificate. Multi-Domain/SAN certificate, The Wildcard certificate and The UCC certificate.

They offer an array of products for different security requirements. Among the most popular Multi-domain SSL Certificates providing cost-effective security solutions to E-commerce platforms is the Comodo Positive SSL Multi-Domain Certificate, securing all the multiple domains.

Let us now try to understand in-depth all aspects of this certificate.

What is multi-domain SSL?

Multi-domain SSL Certificate or SAN (Subject Alternative Name) Certificate is an essential and special SSL Certificate that secures multiple domains with a single SSL Certificate. This Certificate offers flexibility to add, edit the Subject Alternative Name field.

It works very well for protecting multiple additional names across various domains and subdomains. You don’t need to spend for every domain, you can use single domain for multiple site security.

To understand this better, let us consider one example. With only one Multi-Domain(SAN) Certificate, you can safeguard the domains listed below:


Types of Multi-Domain SSL certificates

There are three ways in which you can secure your multiple domains with SSL Certificates. These are as follows:

#1. Multi-Domain SSL Certificates/ SAN Certificate

The Subject Alternative Name (SAN) Certificate or Multi-Domain SSL Certificate by cheapsslshop is the certificate that lets you add several additional names across alternative domains and subdomains, to a single SSL Certificate.

These other names can be different IP addresses or URLs of the names mentioned in the certificate list or DNS names. When a website secured with a Multi-Domain SSL Certificate is approached by a client, a secure connection is made only after the browser verifies the certificate and if the URL matches the ones mentioned in the list.

#2. EV Multi-Domain SSL Certificates

An EV Multi-Domain SSL Certificate may be a sort of certificate that’s designed to avoid phishing attacks better than ordinary SSL certificates. The Extended Validation (EV) stands for the highest degree of security and trust among SSL Certificates, as it gives you the visually recognizable green address bar with the name of your company in the URL, and the Multi-domain SSL Certificate secures multiple domains under one SSL Certificate.

Together, EV Multi-Domain SSL Certificates, give you a rare and most wholesome experience of the best features of the two most efficient types of SSL Certificates. Usually, this certificate comes with significant warranty amounts.

#3. Unified Communications Certificates (UCC SSL Certificate)

Unified Communications Certificates SSL is a type of multi-domain ssl certificate which is used in SSL authentication. Specialists claim that the UCC is nice for certain server setups, such as a few Microsoft Exchange server systems.

The utilize of a UCC can also be a more productive way to provide certification for a number of pages or sites., but now they work equally well with any other server environment. The Unified Communications Certificates can also secure up to 250 domains and subdomains.

Specialists claim that the UCC is nice for certain server setups, such as a few Microsoft Exchange server systems. The utilize of a UCC can also be a more productive way to provide certification for a number of pages or sites.

Role of an encryption for multi-domain certificates

Role of an encryption for multi-domain certificates

Encryption work for a multi-domain certificate is done just in the same way as encryption of users’ data is done for any other SSL Certificate. When a user browser approaches a Multi-domain SSL certificate protected website, it establishes a secure path for the exchange of information between the browser and web server, by a process known as ‘SSL Handshake’.

The browser verifies the certificate of the SSL secured website and then encrypts any data before sending it over the internet. The handshake ensures that proper encryption and decryption of data take place.

Encryption of data makes it unreadable to any hacker who happens to get hold of any sensitive data of the user despite all the security measures taken. The web server can decode the user information by the private key provided to it by the SSL certificate security.

Features of Multi-domain SSL

  • Trusted by over 99.9% All Browsers
  • Unlimited re-issuance during Certificate lifespan
  • $1500K NetSure Warranty
  • 100% Mobile & Smartphone support
  • Up to 256 Bit Encryption
  • 1-2 Days Issuance
  • Multiplicity: SAN/Multi-Domain/UCC/Wildcard Options Available
  • 30-Day Money-Back Guarantee
  • Protect up to 100 Domains – Save Your Time and Money
  • Secure All Your Domains with a Single Certificate
  • Boost Your Google Search Ranking (SEO) with HTTPS
  • 24/7 Free SSL Customer Support

Advantages of Multi-domain SSL

With the use of a Multi-domain SSL certificate, businesses can gain more out of their investments as it protects multiple domains with a single certificate. Its nearest competitor, Wildcard certificate, on the other hand, can secure several sub-domains along with the main domain but does not allow a change in domain names.

Wildcard certificate does not come with Extended Validity (EV) option, whereas a Multi-domain certificate can be obtained with EV validation. Since EV validation is associated with the highest degree of security which can be visually identified by your customer (from the green address bar with your company’s name), a multi-domain SSL certificate certainly comes out to be the most cost-effective by providing maximum user trust with just one certificate.

In addition to this, hassle-free Multi-domain SSL certificate management makes it a significant time and energy saver by not requiring to manage a separate SSL Certificate for each domain and subdomains.

you’ll purchase an individual SSL-certificate for each site, but it’ll cost you much. A few multi-domain certificates are cheaper than SSL-certificates that ensure as it were one domain. So It is a cost saving ssl certificate.

Getting a Multi-domain SSL certificate for your website is somewhat a simple process too. The certificate issued contains details of the main domain and all the SANs that need to be protected. The domains and SANs can be added and removed provided it needs to be mentioned in the certificate, and the number of domains needs to be as per the number of domain limits taken with the plan from the provider.

This Multi-domain SSL certificate comes with the highest degree of encryption of up to 256-bit encryption strength and most often with a 2048-bit signature key.


In conclusion, we can say, if you have an online business that runs on multiple domains, then a Multiple domain SSL Certificate simplifies all your security needs, future expansion, and budgeting needs. With its availability for EV validation, this certificate gives you an added advantage to gain the highest trust in security for your clients.

It provides a good value for money, ease of use, and offering the highest level of encryption. So, no more waiting, invest in a trusted Multi-domain SSL Certificate like Comodo Positive SSL Multi-Domain Certificate and see your business flourish like never before.

You might also like

Comments are closed.

This website uses cookies to improve your experience. We'll assume you're ok with this, but you can opt-out if you wish. Accept Read More