It sounds like you will need to change your DNS zone files. Here's a Help article that explains how to do this https://www.godaddy.com/help/manage-dns-zone-files-680. You may need to work with your hosting provider to help with the transition. I hope things go smoothly for you. All the best!
RachelM - GoDaddy | Community Manager | 24/7 support available at x.co/247support | Remember to choose a solution and give kudos.