[Dnsmasq-discuss] uh, domain concats unwanted...
rob0 at gmx.co.uk
Thu May 1 17:10:09 BST 2008
On Thu May 1 2008 10:34:05 AJ Weber wrote:
> OK, I'm looking thru my dnsmasq.conf, but can't justify why this is
> happening...nor how it's eventually coming-up with a valid IP
> However, it didn't block an advert site on my first test, and so I
> did a nslookup from my laptop...this was the output...
Just Say No to nslookup. dig(1) is the preferred tool.
> Server: broh.nnnnnn.com
> Address: 192.168.1.128
> Non-authoritative answer:
> Name: view.atdmt.com.nnnnnn.com
> Address: 220.127.116.11
18.104.22.168.in-addr.arpa. 86400 IN PTR hit-nxdomain.opendns.com.
> The "nnnnnn.com" is set in my "domain=" option in my config.
> However, as I read it, it should only be used to decorate simple
> names from the hosts-file. Why is it being appended to FQDNs?
Maybe broken or misconfigured system resolver? See, dig(1) will only
use DNS, and only with the name it is given (exception, see +search.)
> Furthermore, how the heck did that name then resolve from the
> upstream DNS server???
Um, maybe a broken upstream nameserver? 
> view.atdmt.com IS in the black-hole-hosts file that I added using
view.atdmt.com. 240 IN A 22.214.171.124
> addn-hosts, but again, it's a FQDN, so it shouldn't be getting the
> domain appended.
> Can anyone help me explain where my config might be wrong?
Munging makes DNS problems especially difficult to ... resolve.
 I know this goes against the spirit of simplicity which is
dnsmasq, but I always run my own named backend for recursion. It
binds on port 35, which is used as such in dnsmasq.conf :
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