An AAAA record is an Internet protocol address in the recently launched IPv6 format and it is made up of 8 different sets of hexadecimal numbers, in contrast to the IPv4 IPs, which include 4 groups of numbers between 1 and 255. An illustration of an IPv6 address is 3014:0d43:23a3:2354:1320:8f3b:2635:3254 and with this format the sheer number of IPs that can be created is many times greater than the number of the IPv4 addresses. Every domain name has its hosting server IP as a record and in essence, this unique record informs the domain address where the site for it is. Depending on the system the company employs, the record is going to be called A (IPv4) or AAAA (IPv6). Changing this record allows you to host your website with one company and your e-mails with a different one, so if you choose to use such a redirection to point a domain address to a server that uses an IPv6 address, you will have to set up an AAAA record for it.