[Dnsmasq-discuss] Will dnsmasq try the secondary DNS if it gets SERVFAIL from the first?

[Simon Kelley]

On 15/07/14 09:22, Chris Green wrote:
> I am currently using my hosting provider's DNS servers for primary and
> secondary DNS.  They seem to have a problem with one particular TLD
> I'm currently trying to use (tp-link.com), dnsmasq returns SERVFAIL
> when I look up that domain.
> 
> Other DNS servers resolve tp-link.com OK so if I use, for example, the
> Google public DNS server at 8.8.8.8 as my secondary DNS will I then be
> able to resolve tp-link.com?

Yes, that should work.

> 
> Having asked that how do I get dnsmasq to change nameservers?  This is
> dnsmasq version 2.68 running on xubuntu 14.04, not just as a Network
> Manager slave process though.
> 
> My current nameservers are specified in
>     /etc/NetworkManager/system-connections/Wired connection 1
> 
> If I change that what do I need to restart to get dnsmasq to pick up
> the change?
> 

That's really a NetworkManager question. There are lots of ways to
control dnsmasq's idea of the upstream servers, so it depends on how NN
is driving it.

I think the NM GUI allows you to manually specify DNS servers.


Cheers,


Simon.