Maintained by: NLnet Labs

rfc6761 compliance

W.C.A. Wijngaards
Tue Sep 22 09:08:53 CEST 2015


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Hi Robert, Andreas,

On 11/09/15 17:54, Robert Edmonds via Unbound-users wrote:
> A. Schulze via Unbound-users wrote:
>> Hello,
>> 
>> the RFC 6761 give some advise how caching DNS servers SHOULD 
>> handle queries for reserved domains. Mostly it say "do not send
>> queries to the root name servers"
>> 
>> ... point 4 in any case ... 
>> http://tools.ietf.org/html/rfc6761#section-6.2 ( domain "test."
>> ) http://tools.ietf.org/html/rfc6761#section-6.4 ( domain
>> "invalid." )
>> 
>> looks like unbound don't follow that "SHOULD" recommendations. it
>> this a miss-configuration on my side ?
> 
> I am also curious why these domains are not handled specially by
> Unbound as RFC 6761 recommends.  Interestingly, BIND has the exact
> same behavior as Unbound for these two domains.  (See
> https://bugs.debian.org/55032 for details.)
> 

It is not a particularly heavy root server load to mitigate, less code
is better and easier, the unblock-lan-zones statement is a frequently
asked question from our users.  That said, we could add new code for
this (and .onion?).

Best regards, Wouter
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