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DNSSEC and ISPs faking DNS responses
On Fri, Nov 13, 2015 at 10:51:52AM +0100, Bj?rn Mork wrote:
> So what do we do? We currently point the blocked domains to addresses of
> a web server with a short explanation. But what if the domains were
> signed? We could let validating servers return SERVFAIL. But I'd
> really prefer avoiding that for the simple reason that there is no way
> to distinguish that SERVFAIL from one caused by e.g. a domain owner
> configuration error.
Perhaps we need to expand RCODE to be the full octet, and indicate "blocked
for legal reasons" with RCODE value 25.