wildcard zone

[Barry Margolin]

In article <fdole2$2008$1 at sf1.isc.org>,
 "etr" <theskilly_NOSPAM_ at yahoo.it> wrote:

> Hi to all,
> 
> i would like to implement a dns service that works in this way:
> 
> If a domain requested exists my server will answer with the correct IP but 
> if a domain does not exist, i would like to answer with a "standard IP".
> Example:
> 
> Request:   google.com  Answer: 64.233.167.99
> Request:   adedaf.com  Answer: 1.1.1.1
> Request    bcbcdf.com Answer: 1.1.1.1
> 
> I've tried to do this adding a "." zone to the named.conf, the standard 
> answer for unextisting domains works succesfully but, of course, i can't 
> solve any domain for wich i'm not authoritative because i do not know how to 
> add the standard zone for the root ns.

Create a wildcard A record in the "." zone.

> P.S.  I think that what i want is similar to what OpenDNS offers in fact, 
> when you type an incorrect domain, you a redirected to a search page ...

Of course, OpenDNS is using a custom DNS server, since its behavior can 
be configured on a per-customer basis.

-- 
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
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