If you enter the asterisk (*) symbol as a subdomain name, Plesk will create a so-called wildcard subdomain. When site visitors enter any subdomain name that is not registered in Plesk, they will be redirected to this wildcard subdomain. You can create wildcard subdomains on any domain name level. Subdomains allow you host multiple websites or other services with one domain name. What is a Subdomain. Subdomains are are attached to the front of your main domain. They usually follow the form tecnohispanos.com They behave very simmilar to a normal domain. You can point them to a folder to host a website just like a normal domain name. Can I host domain extensions which Bluehost cannot register? Domain vs Hosting What is the difference between a domain and web hosting? Related Help Content About Domain Names You need two things to have a successful website and professional email: a domain registration and a hosting account.