[Doh] DOH and split DNS

"Paul Hoffman" <paul.hoffman@vpnc.org> Sun, 05 November 2017 15:46 UTC

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From: "Paul Hoffman" <paul.hoffman@vpnc.org>
To: doh@ietf.org
Date: Sun, 05 Nov 2017 07:46:33 -0800
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Subject: [Doh] DOH and split DNS
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On 5 Nov 2017, at 0:30, Eliot Lear wrote:

>   * Use of this mechanism can cause problems with split DNS, where the
>     internal DNS is not the same as what is made available externally. 
>     Many corporate networkers hide their internal topology from the
>     external DNS.  If an end host queries an external DNS for an
>     internal resource, the result would be NXDOMAIN.  To avoid this, at
>     a minimum, the browser should have some configuration as to what is
>     internal.  I conjecture that this would reflect what is commonly
>     found in a proxy.pac file.