IPv6/google.comについて、ここに記述してください。

== google IPv6 の実態 ==
$ dnsqr aaaa ipv6.google.com
{{{
28 ipv6.google.com:
82 bytes, 1+2+0+0 records, response, noerror
query: 28 ipv6.google.com
answer: ipv6.google.com 604702 CNAME ipv6.l.google.com
answer: ipv6.l.google.com 300 AAAA 2404:6800:8002::69
}}}

http://ivp6.google.com

http://[2404:6800:8002::69]:80

ただし、www.google.com へリダイレクトされるだけ。
　あとはIPv4の世界らしい。
-- ToshinoriMaeno <<DateTime(2011-09-06T12:56:10+0900)>>

== DNS 検索してみる ==

%dnsqr 28 www.google.com
{{{
28 www.google.com:
102 bytes, 1+1+1+0 records, response, noerror
query: 28 www.google.com
answer: www.google.com 604564 CNAME www.l.google.com
authority: l.google.com 364 SOA ns1.google.com dns-admin.google.com 1461423 900 900 1800 60
}}}
%dnsqr 28 www.l.google.com
{{{
28 www.l.google.com:
84 bytes, 1+0+1+0 records, response, noerror
query: 28 www.l.google.com
authority: l.google.com 355 SOA ns1.google.com dns-admin.google.com 1461423 900 900 1800 60
}}}
%dnsqr any www.l.google.com
{{{
255 www.l.google.com:
130 bytes, 1+6+0+0 records, response, noerror
query: 255 www.l.google.com
answer: www.l.google.com 300 A 74.125.31.147
answer: www.l.google.com 300 A 74.125.31.99
answer: www.l.google.com 300 A 74.125.31.106
answer: www.l.google.com 300 A 74.125.31.103
answer: www.l.google.com 300 A 74.125.31.104
answer: www.l.google.com 300 A 74.125.31.105
}}}