Date: Thu, 21 Jul 2005 23:41:23 +1000 From: Norberto Meijome <freebsd@meijome.net> To: Daniel Marsh <daniel@stiw.org> Cc: freebsd-questions@freebsd.org Subject: Re: DNS service with a SQL backend Message-ID: <42DFA603.5090402@meijome.net> In-Reply-To: <op.st85lcwujjurwa@dyn94.dcjarmichael.com.au> References: <40356a66050720120219f6dd92@mail.gmail.com> <42DF4CAB.4070306@meijome.net> <op.st85lcwujjurwa@dyn94.dcjarmichael.com.au>
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Daniel Marsh wrote:
> On Thu, 21 Jul 2005 15:20:11 +0800, Norberto Meijome
>> On a similar thread, does anyone know of any dns server software that
>> would serve different IPs depending on where the query/request comes
>> from?
>> i.e., - resolve www.mydomain.com to the IP of my server in AU for all
>> clients querying from AU,JP and HK. Everyone else should get the IP
>> for my server in US.
> It may be possible to use BIND9 feature of allowing certain IP ranges
> to only query certain zone files.
ah yes, i had forgotten of this feature... but...
> The only issue I foresee is having to have slightly different zone
> names that you wish to serve for each IP range.
I think that having different zone names would defeat the purpose of
what I have in mind.
The way I can imagine this working is that in the function (object?)
where BIND resolves name to IP, it'd do a IP-to-country lookup, match
that to a country-to-dns table and serve the appropiate IP. A fallback
for all records should be provided so that only the special cases
('geotargetted' DNS resolutions) would have to be defined.
I hope it makes sense.
Beto
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