However, if the request comes through for a domain name not on the server, the Web Server application returns a 404 error, which means the website can’t be found at this location. Because computers are pretty smart, putting through the same request again is going to return the same error—it’s not analogous to not finding your keys, unfortunately. You can’t keep digging until you finally find what you’re looking for.
You can also purchase Secure Sockets Layer certificates (starting at $69.99 per year), the software that's represented by a green padlock in your web browser when you visit, say, a financial institution's website. If you plan to sell products via your website, consider an SSL certificate an essential purchase, as it safeguards the data exchange between a customer and your servers.