On Feb 6, 2008, at 12:48 AM, Mark Andrews wrote:

IPv6 capable nameservers are supposed to use EDNS (see IPv6

node requirements).  The roots can be tuned to preference

A vs AAAA records.  Most/all currently maintained caching

servers support EDNS now or the next release will support

EDNS.


So would there be benefit in the roots being tuned to only return AAAA if the request is EDNS?

Just out of curiousity that is.