Creating a wildcard SSL certificate in Plesk
A wildcard DNS record is a record in a DNS zone that will match requests for non-existent domain names. A wildcard DNS record is specified by using a “*” as the left most label (part) of a domain name, e.g. *.example.com.
A wildcard DNS record in a zone file looks similar to this example:
This wildcard DNS record will cause DNS lookups on domain names ending in example.com that do not exist to have MX records synthesized for them. So, a lookup for the MX record for somerandomname.example.com would return an MX record pointing to host1.example.com.
Since version 8.0.1 Plesk allows to create and use certificates for Wildcard domain names (like *.serverbuddies.com.com).
Wildcard certificate can be created the same way that usual certificate is generated. The only difference that you specify the name with “*” sign in the left path, for example *.serverbuddies.com” domain name in the Wildcard certificate will match all this domain’s subdomains, like mail.serverbuddies.com, ftp.serverbuddies.com, etc
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