Re: DNS Name Server with one IP address

From: Ben Measures (saint_abroadremove_at_removehotmail.com)
Date: 01/21/04 

Date: Wed, 21 Jan 2004 22:49:37 +0000

Ivan wrote:
> Hi all,
>
> Scenario:-
> Linsys Router
> External IP (xxx.xx.xx.xx)
> Internal IP (192.168.1.1)
>
> Router DMZ on and points to Linux box (192.168.1.10)
>
> Linux Box (192.168.1.10)
>
> Now I have a domain name www.mydomain.com registered with a registrar
> (Currently uses their dummy name servers need to supply my own)
>
> 1) I cannot ask my ISP for this service or the registrar due to $$
> 2) I would like to use run my own name server for flexibility (i will
> find a secondary nameserver)
> 3) I have tried free name server providers (but the refresh times are
> too long >24hr)
>
> How do I set up so when a user points to www.mydomain.com so it
> resolves to my Static IP address (xx.xx.xx.xx)?
> My primary dns/www/mail server will all be on one machine
> (192.168.1.10), is this configuration possible for an individual with
> one IP address? If so how?
> Please brief me on the DNS named and zone files as to what IP address
> they should contain (local 192.168.1.10 or external (xx.xx.xx.xx)).
>
> All suggestions welcome however wish your answer can be detailed as I
> am now worn out....
>
> p.s. I have gone through a lot of postings but not come across with my
> setup above.(I could eliminate the router in between and configure
> Linux as the router)

There are three possibilities:
1. You don't need a DNS server.
2. You do need a DNS server.
3. You don't want a DNS server but a DNS cache.

1. You don't need a DNS server.
If you registered your domain name with www.mydomain.com then it will be
on their DNS servers. The domain name would be pointing to a
holding/dummy web server, not a dummy nameserver. Putting your domain
name into your browser wouldn't bring up anything otherwise.

2. You do need a DNS server.
Make sure you read "1. You don't need a DNS server" a couple of times.
If you're convinced that you still need to supply your own DNS server,
read this.

So you want a DNS server on your network, resolving your domain name to
an ip address for anybody on the Internet?

Setting up a public DNS server is complicated. Seeing that you don't
know whether you can have dns/www/mail on one computer makes me think
that you might be in over your head.

If you're stubbornly determined, heres the HOWTO:
http://langfeldt.net/DNS-HOWTO/BIND-8/

3. You don't want a DNS server but a DNS cache.
If what you really want is a DNS cache for your local network, then have
a look at chapter 3:
http://langfeldt.net/DNS-HOWTO/BIND-8/DNS-HOWTO-3.html 

-- 
Ben M.
----------------
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----------------

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