DNS resolver configuration

[Ed Greshko]

On 06/15/2012 04:43 PM, Mateusz Marzantowicz wrote:
> Yes, every nonexistent domain name is evaluated to <no such domain>.<my
> domain> which then resolves to my public IP (it is a wildcard dns record
> in action I think). That explains why domain name with trailing dot
> wasn't glued with my domain (two dots in FQDN are nonsense). I have no
> such behavior on Debian box without serach line explicitly set in
> /etc/resolve.conf. I also checked that on Windows boxes just to be sure
> it isn't DNS config related issue. I'm not suspecting wrong DNS
> configuration. I'm close to begin investigation of source code of
> libbind package because grepping over my file system didn't return
> anything related to configuration of resolver that might be useful.

Well, you didn't show what returns in step #3.  But if it returns the IP address of
your public IP address then you've found what you've asked for if you have a wildcard
A record.

IMO, wildcard DNS records are to be avoided like the plague.

-- 
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