mailman.nanog.org ?

[Ignatios Souvatzis]

On Wed, Jul 27, 2011 at 11:32:46AM +0100, Olipro wrote:
> On Wednesday 27 Jul 2011 10:32:06 Olipro wrote:
> > On Wednesday 27 Jul 2011 08:39:04 Kurt Jaeger wrote:
> > > Hi!
> > > 
> > > The website is only reachable via v4, but dns announces v6 as well ?
> > > 
> > > $ any mailman.nanog.org
> > > mailman.nanog.org has IPv6 address 2001:1838::cc5d:d48a
> > > mailman.nanog.org has address 204.93.212.138
> > > 
> > > but:
> > > 
> > > traceroute6 to mailman.nanog.org (2001:1838::cc5d:d48a) from
> > > 2001:14f8:2:2::1a, 64 hops max, 12 byte packets 1  gatekeeper-nepintern
> > > 0.526 ms  0.286 ms  0.282 ms
> > > 
> > >  2  core3  0.513 ms  0.483 ms  0.491 ms
> > >  3  2001:14f8:1:1:ffff:ffff:ffff:ffff  6.113 ms  5.750 ms  5.862 ms
> > >  4  LFnet.FRA-12-eth020-372.v6.lambdanet.net  10.726 ms  14.837 ms  9.872
> > > 
> > > ms 5  AMS-2-pos300.v6.lambdanet.net  42.095 ms  34.702 ms  40.840 ms 6
> > > 2001:7f8:1::a500:4436:1  35.099 ms  34.987 ms  34.957 ms
> > > 
> > >  7  ae3-60g.cr1.ams2.nl.nlayer.net  34.972 ms  34.831 ms  34.853 ms
> > >  8  xe-1-3-0-111.cr1.ams2.nl.nlayer.net  34.831 ms  35.306 ms  34.942 ms
> > >  9  unknown.ipv6.scnet.net  35.855 ms  35.868 ms
> > >  
> > >     unknown.ipv6.scnet.net  35.894 ms
> > > 
> > > 10  unknown.ipv6.scnet.net  185.057 ms
> > > 
> > >     unknown.ipv6.scnet.net  127.401 ms  85.189 ms
> > > 
> > > 11  unknown.ipv6.scnet.net  178.873 ms
> > > 
> > >     unknown.ipv6.scnet.net  178.256 ms  214.091 ms
> > > 
> > > 12  unknown.ipv6.scnet.net  176.114 ms
> > > 
> > >     unknown.ipv6.scnet.net  213.318 ms
> > >     unknown.ipv6.scnet.net  187.660 ms
> > > 
> > > Similar from RIPE RIS looking glass.
> > > 
> > > traceroute to 2001:1838::cc5d:d48a (2001:1838::cc5d:d48a), 30 hops max,
> > > 40 byte packets 1  gw.ipv6.dev.nikrtr.ripe.net (2001:67c:2e8:2::1:1) 
> > > 0.814 ms  0.982 ms  1.121 ms 2 
> > > amsix-501.xe-0-0-0.jun1.bit-1.network.bit.nl (2001:7f8:1::a501:2859:2) 
> > > 1.898 ms  1.910 ms  1.949 ms 3
> > > 20gigabitethernet1-3.core1.ams1.ipv6.he.net (2001:7f8:1::a500:6939:1)
> > > 3.658 ms  3.588 ms  3.620 ms 4  2001:7f8:1::a500:4436:1
> > > (2001:7f8:1::a500:4436:1)  4.439 ms  4.275 ms  4.382 ms 5
> > > ae3-60g.cr1.ams2.nl.nlayer.net (2001:590::4516:8bee)  3.881 ms  3.792 ms
> > > 3.860 ms 6  xe-1-3-0-111.cr1.ams2.nl.nlayer.net (2001:590::4516:8b02)
> > > 4.023 ms  4.015 ms  4.047 ms 7  unknown.ipv6.scnet.net
> > > (2001:1838::cdea:dcc2)  5.262 ms  5.291 ms  5.330 ms 8
> > > unknown.ipv6.scnet.net (2001:1838::cdea:ff12)  103.729 ms
> > > unknown.ipv6.scnet.net (2001:1838::cdea:dcc9)  5.194 ms  5.493 ms 9
> > > unknown.ipv6.scnet.net (2001:1838::cdea:ff12)  103.796 ms
> > > unknown.ipv6.scnet.net (2001:1838::4b66:3e9)  109.000 ms  109.440 ms 10
> > > unknown.ipv6.scnet.net (2001:1838::4b66:3e9)  109.204 ms
> > > unknown.ipv6.scnet.net (2001:1838:2000::4b66:42)  128.785 ms  129.019 ms
> > > 11  * unknown.ipv6.scnet.net (2001:1838:2000::4b66:42)  129.432 ms * 12 
> > > * * *
> > > 13  * * *
> > > 
> > > Any ideas ?
> > 
> > Yes, their mailman is indeed broken over IPv6, I've CC'd them on this
> > e-mail, you can also contact them directly if you wish.
> 
> scratch that, can't even e-mail support at nanog.org - anyone affiliated with 
> them should probably let them know by means other than e-mail that their
> stuff is borked.

That's because

| ignatios at einstein 23 % host -t mx nanog.org
| nanog.org mail is handled by 0 mailman.nanog.org.

Our outgoing e-mail goes through legacy IP only, so it might reach them.

Regards,
	-is