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DigiCert is the industry's premier Certificate Authority trusted by the world's most recognized brands and organizations. One Secure Site OV Wildcard will secure an unlimited number of subdomains for a single domain. Mix in up to 250 additional wildcard SANs and regular domains at any time during the life of the certificate. Each wildcard certificate comes with free certificate-lifetime reissues and you're free to use it on as many servers as you like.
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Every Wildcard SSL certificate begins with an asterisk * (or wildcard). The wildcard represents any valid first-level subdomain of the same base domain.
A wildcard certificate for *.mydomain.com will work for secure.mydomain.com, mail.mydomain.com, support.mydomain.com and vpn.mydomain.com, but not ftp.mydomain.net.
Find out How to Generate a CSR for a Wildcard SSL Certificate
Secures your base domain & unlimited subdomains.
Your company name and location is included in the certificate.
We're celebrating over 17 years of stellar support! Your choice of phone, chat, and email support.
Google now ranks websites using an SSL/TLS certificate higher.
Install your certificate on any number of physical servers. There's no limit.
Fully supported in all major mobile devices and platforms.
Each certificate includes a clickable trust seal ensuring customer trust.
Rest assured with limited certificate warranties. You're covered!
Easily start over with a fresh certificate at any time. It's free.
Buy it, install it and try it out. Cancel for any reason within 30-days of issuance for a full 100% refund.
Enjoy the industry's fastest certificate issuance times. DV wildcards in must mintues and OV wilcard certificates in about 1-2 days.
You're automatically licensed to install on one or as many servers as you like.
Authorized Trust Seals are a clear signal of trust to visitors of your site. The DigiCert website Trust Seal is an important visual indicator of a site’s trustworthiness. In fact, a recent Frost & Sullivan study found a site seal from a respected brand is one of two primary factors internet users of all experience levels take into account when judging a site’s legitimacy.
Unlike Multi-Domain SSL certificates, Wildcard SSL certificates allow you to secure just one domain (example.com), but with an unlimited number of first-level subdomains (sub1.example.com, sub2.example.com, subx.example.com). A Multi-Domain certificate, on the other hand, will support a mixture of different domain names (mysite.com, mystore.net, mail.outlook.org).
Just like a regular CSR except that every CSR for a Wildcard certificate must begin with an asterisk (*.example.com, *.shop.example.com). We've put together some detailed instructions. Find out How to Generate a CSR for a Wildcard SSL Certificate.
No. Wildcard certificates must always begin with an asterisk and there can only be one asterisk. Additionally, you cannot get a wildcard for *.*.example.com.
No. A Wildcard certificate will work for every valid first-level subdomain from the get-go. You don't have to do anything to the certificate when you add additional sites or services.
You'll need to export the private key, server certificate (public key) and any intermediate CA certificates from the first server and then import to additional servers. This is easy to do If you're using all Windows servers. From the first Windows server export your certificate keys to a PFX file and import to other Windows servers.
There is no limit. With unlimited server licenses you're free to install on as many as you wish.