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chrome, Google DNS

On Sat, Jan 16, 2010 at 03:58:47PM -0500, Tom Metro wrote:
> Speaking of Google spying, anyone tried out their DNS servers? (They 
> claim that they purge the logs.)
> Anyone ran across a DNS benchmarking tool for Linux? It would be useful 
> to see whether the Google DNS servers really offer any advantage 
> compared to your ISP's servers.

I ran a series of digs of various names against Google,
(Level 3 anycast), my house DNS server, and my work DNS server.

I repeated each test three times.

The first time through, Google was always fastest, by a
noticeable amount.

The second and third time through, every server had a
performance increase, but the best results were from the most
local servers -- Google turned out worst, in fact.

My conclusion:

It's not worthwhile to switch to using their DNS servers for
resolution if you run your own or have a competent local
provider. It's worth keeping Google's nameservers on a
travelling laptop, or if you are working around a shaky ISP.


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