Single SSL Certificate to Secure Your Domains and Subdomains

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SSL certificates are used to encrypt data transmitted from a web server to a browser and vice versa. While it might sound easy to secure a single domain with an SSL certificate, but things might get complicated when you are a larger business with multiple domains and subdomains. This article explains how you can cost-effectively secure multiple domains and subdomains with a single SSL certificate.

What Are Multi-Level Subdomains?

Subdomains help you organize different categories of your websites separately. A domain can have subdomains at different levels, for example, second-level subdomain and third-level subdomain. Following are a few examples of subdomains.

  • blog.your-domain.com
  • dev.your-domain.com
  • en.your-domain.com
  • login.blog.your-domain.com
  • login2.blog.your-domain.com

What Does a Multi-Domain SSL Do?

Multi-domain SSL certificates allow users to secure more than one Fully Qualified Domain Name (FQDN) and you can encrypt up to 250 domains. Multi-domain SSL certificates are available in domain validation, organization validation, and extended validation types. If yours is an online business, it is wise to go for an organization validated or an extended validated Multi-Domain SSL certificate.

Multi-domain SSL certificates make your work easier as you can secure all your domains with a single certificate and do not have to buy and install separate certificates for each domain you wish to secure. If multi-domain SSL certificates had not existed, you would have had to spend a lot of time and money on separate SSL certificates for all your domains. Likewise, managing multiple certificates is also not an easy job. Multi-domain certificates will be your best option if yours is an online business and you wish to secure different domains with just one certificate. This certificate will also allow you to edit and delete existing domains and add additional domains at any time.

For example, with a multi-domain SSL certificate you can secure the following:

  • www.yourdomain.com
  • www.yourdomain.net
  • www.yourdomain1.com
  • www.yourdomain2.com
  • www.YourNewWebsite.com
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Comodo PositiveSSL Multi-Domain

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GeoTrust QuickSSL Premium SAN

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Comodo Multi-Domain SSL Certificate

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What Does a Wildcard SSL Do?

With a Wildcard SSL certificate, you can secure your domain and all its subdomains at one subdomain level. Remember, your wildcard SSL certificate cannot secure multiple domains. Likewise, if you wish to secure your subdomains at multiple levels, you will need a separate certificate. Wildcard certificates are not available with extended validation and are available only with organization and domain validation. Wildcard SSL certificates and multi-domain SSL certificates have many features in common. The main difference between the two is that a Wildcard SSL certificate cannot secure multiple primary domains and it can secure only multiple subdomains. You can add or remove subdomains at any time.

Following are the types of subdomains and domain a wildcard SSL can secure:

  • www.yourdomain.com
  • mail.yourdomain.com
  • contact.yourdomain.com
  • sales.yourdomain.com
  • admin.yourdomain.com
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Comodo PositiveSSL Wildcard

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RapidSSL Wildcard Certificate

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Thawte SSL123 Wildcard Certificate

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Multi-Domain Wildcard SSL – A Single SSL to Protect Multi-Level Sub-Domains

A Multi-Domain Wildcard SSL certificate can secure multiple domains and subdomains. This SSL certificate works like a Wildcard SSL certificate and a Multi-Domain SSL certificate.

You can protect multiple FQDNs and all their subdomains at all levels. Multi-domain Wildcard SSL certificates are domain validated and organization validated SSL certificates. While a domain validated certificate will be issued in just minutes, and it would take around 1-3 days for an organization validated certificate to be issued.

A Multi-domain WIldcard SSL certificate will help save a lot of time and money by securing multiple domains and subdomains. When you secure your domains and subdomains with this certificate, you need not worry about managing multiple SSL certificates and multiple renewals.

Likewise, this fully business validated certificate comes with an unlimited re-issuance policy and is recognized by 99% web and mobile browsers. It comes with unbreakable 256-bit encryption and offers the highest level of security so that you can assure your website visitors that their information is in safe hands.

While a wildcard SSL certificate can secure just one primary domain and all its subdomains at the first level, with a multi-domain wildcard SSL certificate, you will be able to secure multiple domains and subdomains at all levels on a single SSL certificate.

multi-domain wildcard ssl features

Where to find Best Multi-Domain Wildcard SSL Certificate?

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Comodo PositiveSSL Multi-Domain Wildcard - ComodoSSLStore

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GeoTrust True BusinessID Multi-Domain Wildcard - TheSSLStore

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Thawte SSL Web Server Multi-Domain Wildcard - SSLRenewals

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Conclusion

Multi-domain SSL certificates secure multiple domains and Wildcard SSL certificates secure a domain and its subdomains. For companies that have numerous domains and subdomains, a Multi-domain Wildcard SSL certificate is the best choice as it does the work of a Multi-domain SSL certificate and that of a Wildcard SSL certificate. This certificate will help simplify the web-security administration process as it is just one certificate that you need to manage. While saving money on your SSL certificates, you can also save a lot of time.

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