Test your connectivity for World IPv6 Day

[Alain Durand]

Frank:

Thank you for forwarding this. We are aware of the problem, there was a glitch with UltraDNS. It is fixed now.

  - Alain.

On Jun 8, 2011, at 7:28 AM, Frank Bulk wrote:

> Weird -- at 6 am Central resolving AAAA for ipv6.juniper.net failed on my
> DNS servers.  Querying the A and NS for juniper.net also resulted in a
> SERVFAIL.  When I digged against Juniper's DNS servers directly  that
> worked, so I flushed that juniper.net from the cache of all our DNS servers
> and now it's fine.
> 
> Perhaps it was just us, but I write it here just in case anyone else saw
> something similar.
> 
> Frank
> 
> -----Original Message-----
> From: ipv6-ops-bounces+frnkblk=iname.com at lists.cluenet.de
> [mailto:ipv6-ops-bounces+frnkblk=iname.com at lists.cluenet.de] On Behalf Of
> Bill Owens
> Sent: Sunday, June 05, 2011 5:01 PM
> To: Jared Mauch
> Cc: ipv6-ops at lists.cluenet.de
> Subject: Re: Test your connectivity for World IPv6 Day
> 
> On Fri, Jun 03, 2011 at 07:53:24AM -0400, Jared Mauch wrote:
>> On Thu, Jun 02, 2011 at 11:04:35AM +0200, Daniel Roesen wrote:
>>> On Wed, Jun 01, 2011 at 09:53:55AM -0700, Seth Mattinen wrote:
>>>> Both AfriNIC and ipv6.juniper.net are both working for me from work.
>>>> 
>>>> traceroute to ipv6.juniper.net (2620:103:c003::10), 30 hops max, 40
> byte
>>>> packets
>>> 
>>> The problem with ipv6.juniper.net is a PMTUD problem, not general
>>> reachability problem...
>> 
>> 	I've not had luck reaching anyone there.  If someone from Juniper
>> is here please send me a note in private.
> 
> Good luck with that. We discovered the PMTUD problem in February, told them
> about it in March. . . and April. . . and it's still broken.
> 
> Anyway, if you have a FreeBSD or OS X box with non-tunneled IPv6
> connectivity, you can do the tests yourself:
> http://www.wand.net.nz/scamper/pmtud 
> 
> Bill.
>