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  3. AAAA Records

DNS AAAA Record

AAAA records, or Address v6 records are used to store IP address information for a domain name.

AAAA records can only store IPv6 IP addresses (e.g. fe80::1). In order to store IPv4 addresses, an A record must be used.

Many websites and servers often do not provide any AAAA records as they do not yet support the newer IPv6 protocol and only have A records.

Most websites that support IPv6 only need to have a single AAAA record for a given identifier, however it is possible to provide multiple AAAA records.

Example AAAA record

An example AAAA record may look like the following:

Record Type Value TTL
www AAAA fe80::1 3600

www represents identifier of the record. To set the value for the root of the domain you must use @.

AAAA is the record type.

fe80::1 is the value of the record. This must be an IPv6 address.

3600 is the TTL (time to live) of the record in seconds, this example represents 1 hour. This means that when a record has had updates made to it, then it will take 1 hour to update.

Multiple AAAA records

When multiple AAAA records are associated with the same domain record, one is used at random - this can be useful for larger websites or services as a technique to load balance IPv6 traffic across multiple servers where a single server or network device cannot handle the traffic alone.

Record Type Value TTL
www AAAA fe80::1 3600
www AAAA fe80::2 3600

How to check AAAA records?

Use the AAAA Record Lookup tool to check a domain name's AAAA records.

Use the DNS Lookup tool to check all DNS record types.

Use the Global DNS Checker tool to check DNS records from all around the world.