Your company developed an enhancement to a popular weather charting application. The enhancement offers several new features which the company hopes will establish itself as the market leader in weather charting. The enhancement has been validated internally by testing team and business users. The change management board is keen on testing these features with new customers in the production environment while allowing existing users to be served by the old version. Additionally, to prevent impact to existing users, you have been asked to identify how this can be implemented while retaining the existing DNS records and TLS certificates. What should you do?