The AAAA Record points your hostname to an IPv6 address. The record AAAA specifies the IP address (IPv6) for a given host. In other words, it resolves a domain name (or points the domain name) to the correct location by means of the IPv6 address.
The AAAA record has the following look
Why do you need an AAAA record?
Let say you have a website hosted on a server that uses IPv6. You also have purchased a domain name for your site. Now you need to link them. Here is where the AAAA record comes in. It simply maps your domain to your server’s IPv6 address.