Using bind and ad blocking

Charles Swiger cswiger at
Sat Feb 6 02:58:04 UTC 2016

On Feb 5, 2016, at 6:09 PM, Noel Butler <noel.butler at> wrote:
> Why point them to an IP at all, just use TTL and  SOA , no A no nothing else.
> They'll get NXDOMAIN when trying to look it up, problem solved.

One might point such domains to a local webserver which has been configured
to reply to all image requests with a cacheable transparent 1x1 pixel image.

Browsers and site scripts will happily render that harmlessly and move on
rather than delaying, retrying, having scripts return user-visible errors, etc.


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