1. A method, comprising: receiving, from a device at a computer-implemented server device, a request comprising an identifier proposed for a potential account holder; determining, at the computer-implemented server device, whether the identifier is available for use with a new account; communicating, from the computer-implemented server device, a response to the device indicating whether the identifier is available for use with the new account, wherein the response comprises an image that contains a visually obfuscated representation of an alphanumeric message that indicates either a success or a failure; and presenting the response at the device.