[dns-operations] NXDOMAIN rewriting by lying resolvers (Was: new public DNS service:

Stephane Bortzmeyer bortzmeyer at nic.fr
Tue Nov 21 16:14:17 UTC 2017

On Mon, Nov 20, 2017 at 01:04:44PM -0500,
 wbrown at e1b.org <wbrown at e1b.org> wrote 
 a message of 32 lines which said:

> a better test is to query for a totally bogus domain, and see what
> you get back.  Google will return NXDOMAIN, an ISP will usually take
> you to a search page or the like.

"Not all ISPs" (yes, this is a reference to recent political campaigns)

In Europe, NXDOMAIN rewriting to a false address is extremely
uncommon (and rightly so).

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