On Mon, 06 Jun 2011 08:19:37 +0300, Hank Nussbacher wrote:
Will Google have inverse working by June 8th?
[hank@noc ~]$ traceroute6 ipv6.google.com traceroute to ipv6.l.google.com (2a00:1450:8001::68) from 2001:bf8:0:3:202:b3ff:feaf:f3fc, 30 hops max, 16 byte packets 1 2001:bf8:0:3::1 (2001:bf8:0:3::1) 0.407 ms 221.144 ms 5.218 ms 2 2001:bf8:0:b::1 (2001:bf8:0:b::1) 0.559 ms 0.54 ms 0.486 ms 3 iucc-lb1.rt1.fra.de.geant2.net (2001:798:14:10aa::1d) 50.665 ms 50.611 ms 50.567 ms 4 google-gw.rt1.fra.de.geant2.net (2001:798:14:10aa::e) 56.821 ms 50.525 ms 50.486 ms 5 2001:4860::1:0:11 (2001:4860::1:0:11) 51.266 ms 51.106 ms 51.068 ms 6 2001:4860::1:0:4b3 (2001:4860::1:0:4b3) 58.309 ms 58.078 ms 58.442 ms 7 2001:4860::8:0:2db0 (2001:4860::8:0:2db0) 57.174 ms 57.339 ms 57.195 ms 8 2001:4860::2:0:66f (2001:4860::2:0:66f) 72.496 ms 60.803 ms 72.381 ms 9 2001:4860:0:1::1b (2001:4860:0:1::1b) 68.165 ms 62.21 ms 70.3 ms 10 2a00:1450:8001::68 (2a00:1450:8001::68) 61.21 ms 61.862 ms 61.331 ms
In some regions Google has revere DNS for IPv6 already: Ryan-Rawdons-Work-MacBook-Pro:~ ryan$ traceroute6 ipv6.google.com traceroute6 to ipv6.l.google.com (2001:4860:800f::67) from [redacted], 64 hops max, 12 byte packets 1 [redacted] 2 2001:4870:4000:5::1 7.953 ms 8.540 ms 9.697 ms 3 2001:506:8:ffff::3 24.895 ms 26.349 ms 24.993 ms 4 2001:4860::1:0:5db 25.654 ms 32.175 ms 26.444 ms 5 2001:4860::1:0:9ff 112.931 ms 60.227 ms 56.638 ms 6 2001:4860:0:1::14f 37.783 ms 24.640 ms 34.077 ms 7 iad04s01-in-x67.1e100.net 25.574 ms 24.359 ms 24.719 ms Ryan-Rawdons-Work-MacBook-Pro:~ ryan$ They're doing it at about the same level as their IPv4 reverse DNS, that is, servers seem to have reverse DNS but intermediate hops in their infrastructure do not: Ryan-Rawdons-Work-MacBook-Pro:~ ryan$ traceroute mail.google.com traceroute: Warning: mail.google.com has multiple addresses; using 72.14.204.83 traceroute to googlemail.l.google.com (72.14.204.83), 64 hops max, 52 byte packets 1 [redacted] 2 [redacted] 3 64-129-129-49.static.twtelecom.net (64.129.129.49) 7.057 ms 7.956 ms 7.439 ms 4 dist-02-xe-0-0-0.milw.twtelecom.net (66.192.246.82) 7.082 ms 6.975 ms 8.139 ms 5 216.239.48.108 (216.239.48.108) 9.187 ms 32.129 ms 107.103 ms 6 66.249.94.46 (66.249.94.46) 10.923 ms 66.249.94.54 (66.249.94.54) 8.839 ms 12.205 ms 7 iad04s01-in-f83.1e100.net (72.14.204.83) 8.592 ms 9.672 ms 9.032 ms Ryan-Rawdons-Work-MacBook-Pro:~ ryan$