On Wed, 2015-02-04 at 16:20 +0100, Martin Tournoij wrote:
> It's not magic :-) But it queries the root server, then .com from
> that, and then example.com from that, insofar as I understand DNS. Or
> maybe I misunderstood something?
>
> I have no lines with forward-zone in /etc/unbound/unbound.conf
>
> I followed this guide btw:
> https://wiki.archlinux.org/index.php/Unbound (but *not* section 2.6
> Forwarding queries).
For a standard laptop setup, I advise against using the root servers
directly. First of all it causes unwanted load if everybody forwards
their queries all the way to the root. And sometimes it is not possible
to make direct outbound queries from the networks connected to, every
now and then one ends up in a network that drops DNS queries that do not
go to the domain's designated DNS servers. Google's public DNS servers
would suit you better in this case even though direct queries to those
may be dropped by some of the networks.
In addition, nameservers are known to provide more and "better" IP
addressing when on the "inside" of the connected network.
With the above in mind, ConnMan has the main.conf option
FallbackNameservers, where one can specify backup nameservers should
there be absolutely zero name server information otherwise. The only
"safe" choice here is to add Google's servers, as they are reachable
from a majority of networks.
So for about 99% of ConnMan users, using the DNS servers provided via
DHCP is the correct action to take in all connected networks.
HTH,
Patrik
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