If recursive queries are enabled on a DNS server (which they are on Bind),
any requests for a domain which it is not authoritative for are
automatically resolved the normal way.  I believe Bind 9 supports dynamic
DNS, so you should be able to use this to do what you want.

> -----Original Message-----
> From: rpgoldman at real-time.com [mailto:rpgoldman at real-time.com]
> Sent: Tuesday, September 02, 2003 12:39 PM
> To: tclug-list at mn-linux.org
> Subject: Re: [TCLUG] reload hosts file
> 
> 
> >>>>> "Jay" == Jay Kline <list at slushpupie.com> writes:
> 
>     Jay> On September 1, 10:37 pm "Raymond Norton" <admin at lctn.org>
>     Jay> wrote:
>     >> I need to add new entries to my hosts file quite often. How can
>     >> I reload it without a reboot?
>     >> 
> 
>     Jay> As was already stated, there is no need to reboot to have it
>     Jay> take effect.  But something to consider is why you are making
>     Jay> frequent changes.  DNS is a much better solution for changing
>     Jay> hostnames/ips, as most dhcp clients support dns updates (to a
>     Jay> degree).
> 
> I hope this isn't thread-hijacking, but I have been wondering about
> reloading hosts files, too, because I run a teeny home network behind
> my firewall.  There are a couple of DHCP-issued changing IP addresses,
> so I had thought about running a DNS, but it seemed like overkill (and
> previously people on this list had said it WAS overkill).  Is there a
> very simple way to set up a DNS server that will keep track of a small
> number of hosts, some of whom get their IP addresses from DHCP, and
> then just farms out all other queries?  I imagine many others on the
> list have the same kind of setup.  
> 
> I looked briefly at djbdns, as being a micro-DNS server, but it was so
> off the conventional Linux approaches to file location, daemon
> running, etc., that I just gave up.
> 
> Thanks,
> R
> 
> 
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> http://www.mn-linux.org tclug-list at mn-linux.org
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