The former enables you to secure your domain name and any number of subdomains, whereas the latter lets you validate your business as well as your domain name and subdomains. Wildcard SSL is available on both Domain Validated (DV) and Organization Validated (OV) certificates. This means you can secure your site on an as many servers as necessary, and reissue the certificate as many times as you want. Additionally, wildcard SSL certificates come with an unlimited server license policy and an unlimited re-issuance policy. Wildcard SSL certificates are supported by nearly every type of web browser and device, including both mobiles and desktop computers. You only need a single top-level domain, but plan to use multiple subdomains (now or in the future).You own a business that uses separate subdomains for different aspects and entities of the organization (blog, shop, etc.).You’re a web developer who often uses subdomains for testing environments.Some common scenarios when using a wildcard SSL certificate is most beneficial include: This kind of certificate helps you protect all of them at once. Wildcard SSL makes sense to use when you have a single domain with multiple first-level subdomains (or plan on adding them in the future). Plus, any time you add a new subdomain, you won’t have to worry about reissuing the certificate. It also offers more flexibility than other options.įor example, unlike when using SAN SSL, you don’t need to define the subdomains when purchasing your wildcard SSL certificate. Therefore, the primary benefit of using wildcard SSL is that it can save you a lot of time and money. However, if you plan on adding a lot of subdomains, this could quickly become a time-consuming and costly process. When you have a single-name SSL certificate, adding a new subdomain to your site and issuing an SSL certificate for it isn’t necessarily a big deal. If you wanted to add a subdomain later down the road, you would need to reissue the certificate. However, with multi-domain SSL certificates, you’ll have to define the subdomain name at the time of purchase. You could also create subdomains for each of these sites, and protect them under a single certificate. For example, you could use multi-domain SSL to secure various top-level domains such as: Multi-domain SSL lets you protect multiple domains and subdomains, including those from different hostnames, with a single certificate. It’s important to note that wildcard SSL is not the same thing as a Multi-Domain or Subject Alternative Name (SAN) SSL certificate. However, with a wildcard certificate, you can copy the private key and upload it to as many servers as you wish. You can also use this type of certificate to cover both the ‘This includes a public key that is stored on the digital certificate and a private key that is kept on your server. On wildcard SSL certificates, an asterisk (*) is placed before your domain name as a placeholder, which can be interpreted as any string of characters. Unless you need to fulfill a specific requirement that requires a custom wildcard SSL, there’s no need to purchase a wildcard SSL if you’re hosted on Kinsta. If your site is hosted on Kinsta, you already have access to wildcard SSLs via our free Cloudflare integration. For example, if your domain name is “”, your wildcard certificate would also protect “” and “”. A wildcard SSL certificate works with any subdomain of the base domain name it is provisioned for. What Wildcard SSL Certificates Are (and How They Work)Ī wildcard SSL provides a way to secure an unlimited number of subdomains with a single certificate.
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