[Dnsmasq-discuss] intermittant failure to resolve

[Simon Kelley]

Micah Anderson wrote:
> I've been having a frustrating issue with resolving a particular domain
> through my dnsmasq server. It seems that 60-70% of the time that I
> attempt to look up any host in debian.org, I get a failure to
> resolve. Trying again three or four times eventually gets a success.
> 
> I've looked elsewhere, debian.org's nameservers seem to be functioning
> fine, and other people I know do not have this problem. 
> 
> I decided to try an experiment, I switched from using dnsmasq to using
> bind, and the problem went away.
> 
> I dont have a very complicated dnsmasq configuration, its as follows:
> 
> # filter what we send upstream
> domain-needed
> bogus-priv
> filterwin2k
> localise-queries
> bogus-nxdomain=208.68.143.89
> bogus-nxdomain=208.68.143.55
> 
> # allow /etc/hosts and dhcp lookups via *.local
> local=/local/
> domain=local
> expand-hosts
> no-negcache
> resolv-file=/tmp/resolv.conf.auto
> 
> dhcp-authoritative
> dhcp-leasefile=/tmp/dhcp.leases
> 
> 
> I'd appreciate any debugging suggestions, as I'm at a loss.
> 
> micah
> 

Start by adding

log-queries

to your configuration. That should tell you what is happening to the
queries and answers (if any).


Simon.