IPv4 in IPv6 in AAAA records

Jun-ichiro itojun Hagino itojun at itojun.org
Mon Aug 23 08:54:54 UTC 2004

> ::ffff/96 is the IPv4-mapped-IPv6 address prefix, it's intended use is
> to allow an IPv6 stack to forward IPv4 packets to an IPv6-listening
> service (for example NSD listening on :: on Linux will see packets
> from as ::ffff:

	IPv4 mapped address is an internal representation of IPv4 node (peer)
	on a host operating system.  it should not appear on DNS database.


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