Are Multi-Domain SSL Certificates Right for You?

October 18, 2013 | By Kevin Judge

No web site that exchanges personal data with its site visitors can afford to operate without SSL. Without it, internet communication is unsecure and hackers can easily listen in and steal data. For organizations that have many web sites and manage many subdomains, this can become expensive and,, importantly, difficult to manage.

Fortunately, there is an alternative worth considering: Multiple Domain certificates.

Multi-Domain certificates provide the same SSL security as other certificates but allow you to secure up to 100 domains on a single SSL Certificate.

For example, one Multi-Domain certificate can be used to secure:

  • https://secure.website1.com

  • https://secure.website1.co.uk

  • https://www.website.com

  • https://secure.website2.com

  • https://login.web2.com

  • https://any-domain.any-tld

Apart from the huge cost savings versus individual certificate purchases, MDCs also simplify certificate management by allowing you to use one SSL certificate for multiple URLs. Instead of keeping track of many certificates, each with different expiry dates, you can even move to a single SSL certificate for multiple domains with a unified expiry date.

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