FAQs by Groups :      Domains | General | Billing | Hosting | Forwading | DNS | Resellers | VPS | Exchange | Site Builder | Old Reseller FAQs | << Back - FAQ Home >> Frequently Asked Questions : 24 Who or what is auDA? ".au Domain Administration Ltd (auDA) is an Australian not-for-profit company vested with the responsibility of operating the .au domain for the benefit of all stakeholders." ref auda.org.au.