The Multi Domain SSL certificate is a digital security certificate that provides SSL security for multiple websites through one single SSL certificate. Likewise, if you've multiple websites for which you're looking for basic SSL security, this Multi Domain SSL is recommended.

You can use the Sectigo OV Multi Domain SSL certificate to secure another website afterward. For instance, Multi Domain SSL got issued, and you secured all your present websites. And, later, you build one more website, and you want to secure that website, then Multi Domain SSL will allow it.

No, both SSL certificate operates differently. For instance, if you're looking to secure one main domain with its associated sub-domains like domainexample.com, mail.domainexample.com, eg1.domainexample.com, then a Wildcard SSL certificate is needed. And, if you're looking to secure entirely different websites like domainexample.com, domainexample.net, exampledomain.org, and so on, then a Multi Domain SSL certificate is needed.

It is an Organization Validated SSL, where the CA needs to validate both domain and business name. Hence, when the CA issues the certificate, you will get the Server Certificate, Root and Intermediate Certificate bundle. After installing the SSL, the browser will display HTTPS + Pad lock and Certificate information in site seal.

The installation steps to add the multi-Domain SSL Certificate on to the server may vary and depend on the server type. To install the SSL files, you must convert the files into the required format asked by the server. Make sure to generate the CSR for the base domain only and add the other domains at the time of SSL enrollment.