Use wildcard subdomains to redirect visitors from non-existent subdomains to one of your websites, commonly, to your main website. The typical use cases of this feature are:
For example, you don't have the vps-limited-offer subdomain but wish to forward users from limited-vps-offer.example.com to example.com.
It is a widespread mistake to mistype a website name if it has the leading www prefix (for example, type ww.example.com).
Note: Traffic from existent subdomains will not be affected in any way if you add a wildcard subdomain.
How to Add Wildcard Subdomains
You can add one wildcard subdomain per each of domain names under a subscription. For this, go to the Websites & Domains tab and add a new subdomain which name is "*" to one of your domain names. Example: *.example.com. If you wish this subdomain to have a custom set of scripts or website content, specify a custom document root for this subdomain.
Limitations of Wildcard Subdomains
Wildcard subdomains act like typical subdomains with the following exceptions:
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