IPv6, 2nd Edition

308 Part Two • IPv6 Protocols

The next step would be to query the DNS for that domain name, in which

case the response might be an A6 record containing just an IPv6 network

address; that is, the prefix length would be 0, and there would be no

domain name at all, and the address itself would be zeroed out in the

less-significant 64 bits.

The client making the request could then concatenate the host part of the

address (from the first A6 record) with the network part of the address

(from the second A6 record), with the result being the proper IPv6 address

for the node named node.example.net.

18.3.3 AAAA VERSUS A6

As already noted, the coexistence of the AAAA ...