[Dnsmasq-discuss] [nick at linicks.net: Re: Unable to resolve public/external hostnames]

[Nick Warne]

----- Forwarded message from Nick Warne <nick at linicks.net> -----

Date: Sun, 9 Jun 2013 14:57:17 +0100
From: Nick Warne <nick at linicks.net>
To: Koos Pol <koos2013 at pohw.nl>
Subject: Re: [Dnsmasq-discuss] Unable to resolve public/external hostnames
User-Agent: Mutt/1.5.21 (2010-09-15)

On Sun, Jun 09, 2013 at 03:51:21PM +0200, Koos Pol wrote:
> Op 09-06-13 15:34, Nick Warne schreef:
> 
> > What Don means is do not define the DNS server on the local machines - let
> > the DHCP server tell the clients what it is when they request DHCP stuff,
> > i.e. in your case nameserver 192.168.1.50
> 
> Thanks for clearing this up, Nick.
> 
> What I now have on dns1:
> 
> resolv-file=/etc/resolv.dnsmasq
> domain-needed
> domain=lan.pohw.nl
> local=/lan.pohw.nl/
> dhcp-option=option:router,192.168.1.1
> dhcp-option=option:dns-server,192.168.1.50
> dhcp-range=192.168.1.100,192.168.1.200
> log-queries
> 
> 
> So the Netgear is on x.x.x.1 and the dnsmasq server is on x.x.x.50
> 
> But I'm afraid it hasn't helped. The symptoms are the same:
> - pinging to a remote IP works fine.
> - pinging to a remote hostname fails.
> 
> Output is the same both on the client as dns1:
> 
> client1:/home/koos # ping -c 3 www.nu.nl
> ping: unknown host www.nu.nl
> 
> dns1:
> Jun  9 15:40:27 dns1 dnsmasq-dhcp[3303]: DHCPDISCOVER(eth0) 08:00:27:c7:bc:61
> Jun  9 15:40:27 dns1 dnsmasq-dhcp[3303]: DHCPOFFER(eth0) 192.168.1.154
> 08:00:27:c7:bc:61
> Jun  9 15:40:27 dns1 dnsmasq-dhcp[3303]: DHCPREQUEST(eth0) 192.168.1.154
> 08:00:27:c7:bc:61
> Jun  9 15:40:27 dns1 dnsmasq-dhcp[3303]: DHCPACK(eth0) 192.168.1.154
> 08:00:27:c7:bc:61 client1
> Jun  9 15:40:50 dns1 dnsmasq[3303]: query[A] www.nu.nl from 192.168.1.154
> 
> 
> I'd be grateful if there's anything you can add, tracking down the cause.
> 

On a client, do:

dig google.com

and post the output - you should see if dnsmasq is being used on the server at the end of the output - like this:

;; Query time: 7 msec
;; SERVER: 87.127.191.50#53(87.127.191.50) <-- my dnsmasq server
;; WHEN: Sun Jun  9 14:56:07 2013
;; MSG SIZE  rcvd: 204

Nick
-- 
Free Software Foundation Associate Member 5508
http://linicks.net/

----- End forwarded message -----

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Free Software Foundation Associate Member 5508
http://linicks.net/