Wildcard SSL certificates with subdomain protection
A wildcard SSL certificate is used to protect the primary domain and its subdomains. A single SSL certificate will be valid for the website, email and other services.
Why do I need a wildcard SSL certificate?
A wildcard SSL certificate protects the domain and its subdomains. For example, it will work for example.com, my.example.com and other domains like *.example.com.
Advantages of a wildcard SSL certificate with subdomain protection
Wildcard certificates are useful if you create a lot of subdomains and do not want to take a lot of resources to maintain them.
Saving money
If you have several projects, buying a wildcard certificate is advantageous - you do not have to pay for multiple SSL certificates.
Learn more about free Let's Encrypt certificates
Saving time
One purchase is enough to protect the domain and all subdomains, including those not yet created.
The ISPmanager web server control panel allows you to install an SSL certificate in a couple of minutes and configure it to protect your subdomains. Free wildcard certificates from Let's Encrypt are also supported
Try ISPmanager with wildcard support for free
Try freeFeatures of wildcard certificates

With wildcard, EV-level domain protection is not available
CA/B Forum is an organization that brings together certificate authorities, browser developers, and OS developers. CA/B Forum defines the quality requirements for SSL certificates. According to them, EV certificates cannot include the protection of subdomains. This is due to the fact that EV protection should guarantee the greatest reliability of the domain.
Wildcard protects only one level of subdomains
When ordering a wildcard certificate, it is very important to specify the domain correctly:
- If you specify the domain *.site.ru, Wildcard will protect all level 3 domains: shop.site.ru, forum.site.ru, etc. But will not protect level 4 domains *.shop.mysite.ru.
- If you specify the domain *.shop.mysite.ru, Wildcard will protect all level 4 domains: 1.forum.site.ru, 2.forum.site.ru, 3.forum.site.ru, etc. But it will not protect level 5 domains *.1.shop.mysite.ru or level 3 *.site.ru
If you want to protect level 3 and level 4 subdomains, you need to purchase 2 separate wildcard SSL certificates and correctly specify the subdomain group.
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