nanog mailing list archives

Re: Another Big day for IPv6 - 10% native penetration


From: Christopher Morrow <morrowc.lists () gmail com>
Date: Mon, 4 Jan 2016 17:23:20 -0500

https://developers.google.com/speed/public-dns/faq?hl=en

there I asked jeeves for ya!

On Mon, Jan 4, 2016 at 5:09 PM,  <Valdis.Kletnieks () vt edu> wrote:
On Mon, 04 Jan 2016 13:52:46 -0800, Damian Menscher said:

While I agree with your general sentiment about 3xx responses (often used
to redirect example.com to www.example.com) I think your concerns about
8.8.8.8 are over-stated.  8.8.8.8 is deployed in many locations, which
gives DNS-based geolocation a decent chance of working.

So in how many of the 196 or so extant countries does 8.8.8.8 resolve to
a host which, when it sends a query up the chain, appears to be in the
same country as the machine that made the original query?

How does a company know that another instance of 8.8.8.8 has been turned up or
down or re-peered, causing a shift in the mapping of DNS queries to countries/
states?




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