An AAAA record is an IP within the newly launched IPv6 format and it is comprised of 8 groups of hexadecimal numbers, as opposed to the IPv4 IPs, which feature 4 sets of digits in between 1 and 255. A good example of an IPv6 address is 3014:0d43:23a3:2354:1320:8f3b:2635:3254 and in this format the number of IPs which can be created is many times greater than the number of the IPv4 addresses. Every domain name has its hosting server IP address as a record and in essence, this record tells the domain name where the Internet site for it can be found. Depending on the system that the provider uses, the record will be called A (IPv4) or AAAA (IPv6). Changing this record allows you to host your site with one provider and your email messages with another, so if you decide to use this kind of redirection to point a domain name to a server that uses an IPv6 address, you will have to create an AAAA record for it.