[AusNOG] Is there anyone from Telstra available who works in the Telstra DNS dept available?

[Joshua D'Alton]

Probably because their DNS servers are from the 90s, and therefore the only
way they can cope with the number of lookups externally is to cache, cos
the server is only connected upstream at 128Kbit. That is how they serve
millions of Australians who use them for lookups, by reducing the number
that go upstream. I saw a memo last year from the CEO requesting an upgrade
of the upstream, but unfortunately while they were able to upgrade the
downstream to a 1Gbit NIC, upgrading the upstream would cost hundreds of
millions as they'd need to lay a completely new cable to the US to connect
to the root nameserver there.

troll

On Mon, Feb 18, 2013 at 10:45 AM, Ross Wheeler <ausnog at rossw.net> wrote:

>
>  This would most likely be caused by DNS caching, you may need to just sit
>> tight for 24 / 48 hours until the Telstra DNS cache expires the old A
>> record and refreshes the DNS and gets the new one.
>>
>
> That raises a seperate issue - pet hate perhaps.
>
> Why are there so many people (particularly, it seems, large players) - who
> completely disregard published TTLs?
>
> Some of us will deliberately set TTLs down quite low (10-30 minutes) a day
> or two in advance of known changes to customers infrastructure - yet
> frequently we find some people ignoring the low TTLs and forcing their own
> (often 1 or 2 days). It's irritating to say the least.
>
> ______________________________**_________________
> AusNOG mailing list
> AusNOG at lists.ausnog.net
> http://lists.ausnog.net/**mailman/listinfo/ausnog<http://lists.ausnog.net/mailman/listinfo/ausnog>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.ausnog.net/pipermail/ausnog/attachments/20130218/e20548e5/attachment.html>