[AusNOG] Google DNS 8.8.8.8

Yin To Chu ytchu at iee.org
Wed Apr 20 17:07:49 EST 2011


Perhaps, this might help.

http://www.net.t-labs.tu-berlin.de/papers/AMSU-CDRW-10.pdf

<http://www.net.t-labs.tu-berlin.de/papers/AMSU-CDRW-10.pdf>Comparing DNS
Resolvers in the Wild
<http://www.net.t-labs.tu-berlin.de/papers/AMSU-CDRW-10.pdf>-------

On Wed, Apr 20, 2011 at 4:49 PM, Andrew Paternoster <
Andrew at screwloose.com.au> wrote:

> We were having the same issue at a customers place. www.news.com.au was
> really slow. I think it has something to do with some load balancing
> providers like akamai.net. When you use the Google dns servers they think
> your in the US and give you as US mirror instead of a AUS mirror.
>
> I did a few tests and the after changing the DNS servers to the local ISP
> and clearing the DNS cache I got a ip from akamai.net that was local to
> Australia and a lot faster.
>
>
>
> Thank you
>
> Andrew Paternoster
>
>
>
> [image: Description: Description: Screwloose]
>
> *Andrew** Paternoster*
> Screwloose
>
> *Tel:* (03) 9095-7290
> *Email:* Andrew at screwloose.com.au
> *Site:* http://www.screwloose.com.au
>
>
>
>
>
> You can now log faults by logging in to http://support.screwloose.com.auor just by simply emailing
> support at screwloose.com.au
>
>
>
>
>
> *From:* ausnog-bounces at lists.ausnog.net [mailto:
> ausnog-bounces at lists.ausnog.net] *On Behalf Of *Cameron Murray
> *Sent:* Wednesday, 20 April 2011 4:40 PM
> *To:* Angelo Giuffrida
> *Cc:* ausnog at ausnog.net
> *Subject:* Re: [AusNOG] Google DNS 8.8.8.8
>
>
>
> From memory when they were first released they both resolved to the US for
> me.
>
>
>
> Regards
>
>
>
> Cameron
>
> On Wed, Apr 20, 2011 at 4:31 PM, Angelo Giuffrida <
> angelo.giuffrida at gmail.com> wrote:
>
> From what I remember, 8.8.8.8 never used to resolve back to Australia.
>
>
>
> I remember distinctively that unlike google.com which has an Australian
> mirror (and resolves back to AUS through some routing black magic), their
> free DNS resolvers don't which was the reason why I didn't want to use
> them.
>
>
>
> But I could be remembering wrong... :)
>
>
>
> Cheers,
>
>
>
> Angelo Giuffrida
>
>
>
>
> Sent from my iPhone
>
>
> On 20/04/2011, at 4:23 PM, Christopher Pollock <chris at ionetworks.com.au>
> wrote:
>
> Hi all,
>
>
>
> Just thought I'd share something I discovered today that might affect some
> of you.  Recently at home I've been having weird international speed issues
> (ISP is Internode) but only to certain locations. Speedtests and line sync
> were fine, some downloads great, others crawled.  Vimeo was unusably slow,
> the App store was barely usable.  Internode reported no issues.  Swapped
> routers, no change.
>
>
>
> I finally nailed it down today - in a stroke of laziness I'd set 8.8.8.8
> for the DHCP pool's DNS server.  Turns out, 8.8.8.8 doesn't seem to exist in
> Australia anymore.  I swear this used to be in Sydney, it was around 60ms
> away.  Wasn't it?  Now, from my home, every box I've got around Au and every
> Traceroute site I can find, it's showing up in California.
>
>
>
> or-10mf.bne#traceroute 8.8.8.8
>
>
>
> Type escape sequence to abort.
>
> Tracing the route to 8.8.8.8
>
>
>
>   1 150.101.180.24 28 msec 28 msec 28 msec
>
>   2 150.101.180.50 24 msec 28 msec 28 msec
>
>   3 203.16.212.13 44 msec 44 msec 44 msec
>
>   4 72.14.223.1 48 msec 44 msec 44 msec
>
>   5 66.249.95.226 44 msec 44 msec
>
>     66.249.95.224 44 msec
>
>   6 209.85.249.52 148 msec 144 msec
>
>     66.249.95.166 196 msec
>
>   7 209.85.255.34 160 msec 148 msec 144 msec
>
>   8 209.85.255.39 180 msec
>
>     209.85.255.217 176 msec 176 msec
>
>   9 209.85.250.101 176 msec 176 msec 180 msec
>
>  10 209.85.241.154 176 msec
>
>     209.85.241.162 184 msec
>
>     209.85.241.154 192 msec
>
>  11 8.8.8.8 176 msec 176 msec 176 msec
>
>
>
> A geolocation of the last hop before it finds its target:
> http://www.ip2location.com/209.85.241.154 - defs in the US.  So Google's
> anycast DNS from the US is returning US-local mirror addresses for things
> instead of using Au CDNs.  And it's causing weird, per-destination slowness.
>  So that's the reason my 'net has been sporadically terrible this month.
>
>
>
> Anyone else got anything from 8.8.8.8 in Australia?
>
>
>
> --
> Christopher Pollock,
> io Networks Pty Ltd.
>
> e. chris at ionetworks.com.au
> p. 1300 1 2 4 8 16
> m. 0410 747 765
>
> http://www.ionetworks.com.au
> In-house, Outsourced.
>
>
>
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