[Dnsmasq-discuss] How to see how addresses are resolved - i.e. a sort of DNS traceroute?
Simon Kelley
simon at thekelleys.org.uk
Thu Oct 3 14:54:37 BST 2013
On 03/10/13 14:25, Chris Green wrote:
> I want to check how addresses are resolved on my LAN, is there an
> easy[ish] way of finding where DNS requests are sent and where they are
> finally resolved (or at least where they leave my LAN)?
--log-queries
>
> With the latest fashion of using dnsmasq on all machines to provide
> local caching of DNS it's quite difficult to check if things are going
> the way one expects.
>
> I run my own dnsmasq (as opposed to the local caching one installed by
> Ubuntu etc.) on a server machine on the LAN.
>
> So I have (along with a lot of other bits and pieces):-
>
> ADSL router 192.168.1.1
> Server running dnsmasq 192.168.1.2
> My desktop machine 192.168.1.4
> ...
> ...
>
> The router has two connections to the internet which it load balances so
> DNS might go out direct from it to one ISP's DNS servers or it might go
> out on its WAN/ethernet port to another ADSL modem which uses a
> different ISP.
>
>
> I just want to check how various things are looked up to make sure that
> DNS is resolved through the right route.
>
>
Cheers,
Simon.
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