If you just signed up for your plan, your domain may still be pending. Pending means that your domain is not yet active across the Internet (if you are registering a new domain name) or that changes to your name server settings have not yet taken effect (if you are using a domain name you registered elsewhere). The pending state occurs for all domain registrations and changes. A new domain can take up to 72 hours to propagate across the Internet, depending on the extension you have chosen.
The main effects of having a pending domain are:
We will notify you as soon as your domain has completed propagation and become active. In the meantime, you can begin familiarizing yourself with your Yahoo! plan features.
Important note: If you are using a domain you had registered prior to signing up for your plan, and your domain is still pending after 72 hours, you may need to check with your registrar to make sure you are using the correct DNS information. Learn more.