5 Nov
2013
5 Nov
'13
11:01 p.m.
In message <20131106033003.GB6728@dyn.com>, Andrew Sullivan writes:
On Tue, Nov 05, 2013 at 07:57:59PM -0500, Phil Bedard wrote:
I think every major residential ISP in the US has been doing this for 5+ years now.
Comcast doesn't, because it breaks DNSSEC.
Only if you are validating. BIND suppports DNSSEC aware NXDOMAIN redirection. If the NXDOMAIN response is verifiable and you set DO=1 on the query the redirection will not occur. Similar logic is implemented in DNS64 support.
A
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