DNS and dynamic IP: help needed

[Kevin Darcy]

Name wrote:

>hi all,
>
>I'm using a dynamic DNS to reach my site from internet: mysite.mine.nu 
>(dyndns.org).
>I want to setup on the lan a DNS server (linux debian) for all the 
>computers of the LAN. The name of the computers will be 
>computerX.mysite.mine.nu.
>I user forwarders in named.conf
>
Why?

>Here is my zone file mysite.mine.nu:
>
>@       IN      SOA     dnserver.mysite.mine.nu. root.mysite.mine.nu. (
>                         199802151       ; serial, todays date + todays 
>serial #
>                         8H              ; refresh, seconds
>                         2H              ; retry, seconds
>                         1W              ; expire, seconds
>                         1D )            ; minimum, seconds
>
>                 NS      dnsserver
>                 MX      10 mailer.mysite.mine.nu.
>
>localhost       A       127.0.0.1
>dnsserver       A       10.0.0.1
>computer1       A       10.0.0.10
>computer2       A       10.0.0.20
>mailer          A       10.0.0.30
>mailer.mysite.mine.nu.    A       10.0.0.30
>
>mysite.mine.nu.           A       10.0.0.10
>
>computer5    A       192.168.0.10
>computer6    A       192.168.0.20
>
>
>The problem is:
># nslookup mysite.mine.nu
>I get the answer:
>Name :    nu.mine.nu
>Address:  203.164.2.199
>Aliases:  mysite.mine.nu.mine.nu
>
>I want to get the answer: mysite.mine.nu 10.0.0.10 and not the answer of 
>   my dynamic DNS (dyndns.org).
>
>I read again the docs and surf the web, however I'm still missing something.
>
What's in your /etc/resolv.conf? Are you pointing to your own nameserver 
or to your ISP's nameservers? Obviously, if you're querying your ISP's 
nameservers for the name, they're not going to know anything about the 
private server you've set up on your own LAN...

- Kevin