isc.org unreachability (Re: Test your connectivity for World IPv6 Day)

[Francis Dupont]

 In your previous mail you wrote:

   [Bcc to folks @ ISC so that they are aware of this thread, peek into it
   and most very likely also resolve it]
   
   Seems something is dropping ICMP and thus most very likely also
   PacketTooBig...:
   
   jeroen at noc:~$ tracepath6 www.isc.org
    1?: [LOCALHOST]                        0.011ms pmtu 1500
    1:  ge-1-3-0.breda.ipv6.concepts-ict.net                  0.921ms asymm  2
   ...
    9:  ge-1-11.r03.plalca01.us.ce.gin.ntt.net              165.910ms asymm 12
   10:  no reply
   [..]
   
=> I have the same thing from my home, the only difference is
the first MTU is 1480 as my ISP is Free and uses 6rd.

Thanks

Francis.Dupont at fdupont.fr