unbound fails to resolve .org domain with DNSSEC

Paulo Roberto Tomasi pztomasi at gmail.com
Mon Sep 10 20:43:26 UTC 2018


> Can you try with unbound having direct
> unfiltered port 53 to the internet?

Yes, that was my scenario: public IP with no filter (I'm going to enable
iptables later) trying to discover the solution.

Like Anand said, I misconfigured "do-tcp: no" and that was the reason of
.org resolution failing.

Thanks again :-D

Em seg, 10 de set de 2018 às 16:39, Paulo Roberto Tomasi <pztomasi at gmail.com>
escreveu:

> Thank you very much!
>
> Now https://www.rootcanary.org/test.html shows me green padlocks.
>
> :-D
>
> Em seg, 10 de set de 2018 às 16:26, Anand Buddhdev <anandb at ripe.net>
> escreveu:
>
>> On 10/09/2018 21:45, Paulo Roberto Tomasi via Unbound-users wrote:
>>
>> Hi Paulo,
>>
>> > do-tcp: no
>>
>> Don't disable TCP. TCP is *required* for proper operation of DNS,
>> especially if you want to do DNSSEC validation. Many of the signed
>> responses can be large. For example, the DNSKEY response for .ORG is
>> 1625 bytes, and sometimes TCP is required in order to retrieve such
>> large responses. Disabling TCP can cause DNSSEC validation to fail.
>>
>> Regards,
>> Anand
>>
>
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