[Dnsmasq-discuss] dnsmasq returns addresses for non-existent hosts - what have I mis-configured?

Chris G cl at isbd.net
Sun Nov 15 10:44:12 GMT 2009


On Mon, Nov 09, 2009 at 01:58:25PM +0000, Chris G wrote:
> On Sun, Nov 08, 2009 at 10:25:11AM -0500, Perette Barella wrote:
> > It looks like your provider has set up a wildcard A record, which is  
> > similar to DNS hijacking as a "helpful" feature to users who miskey a  
> > domain name.  It's not isolated to you:
> > 
> > mugenshi:etc x10$ host ghijk.isbd.net
> > ghijk.isbd.net has address 195.74.61.93
> > ghijk.isbd.net mail is handled by 10 mail-in-1.lb.gradwell.net.
> > 
> > You could check Gradwell's support pages, but I doubt there is an  
> > option to shut it off, since the DNS is published this way.  It's a  
> > publication problem/"feature", not a bug in dnsmasq.
> > 
> I do in fact have the ability to change my domain's zone files.
> 
> ... and there is what you describe (N.B. this from a web form, not
> exact zone file syntax) :-
> 
>     *   195.74.61.93                    86400   A
>     *   10 mail-in-1.lb.gradwell.net.   86400   MX
> 
> So can I simply delete these two entries?  (OK, people mis-typing domain
> names *might* be affected but that's mostly me so I don't see a big
> issue there)
> 
... and the answer is yes.  I've deleted the wild card lines from the
form and now <non-existent>.isbd.net returns "not found", excellent!

Thanks for all the help here.

-- 
Chris Green




More information about the Dnsmasq-discuss mailing list