newbie: some A records don't work? (short name)

[Kevin Darcy]

The zone is being loaded as "intranet.mycompany.co.jp", so a
"top40.mycompany.co.jp" entry doesn't belong in the zone. Define it in the
"mycompany.co.jp" zone (i.e. the parent zone) instead.


- Kevin

Jean-Christian Imbeault wrote:

> I'm sure there is a really simple answer to this question. So simple in fact
> that I can't find it on the mailing list or in the BIND book.
>
> I have a DNS server server set-up on our LAN. I've set it up to use a
> non-existent sub-domain of our registered domain so that users can access
> LAN machines by name instead of IP. So far it's worked fine for the test
> machine but I have started adding new A records and they aren't working.
>
> Here's my problem. Our registered domain is mycompany.co.jp. I've decided to
> use intranet.mycompany.co.jp as the sub-domain for the LAN and to forward
> any queries the local LAN DNS server can't answer to our ISP's DNS servers.
> The local server is on a machine called intranet, so
> intranet.intranet.mycompany.co.jp.
>
> To save some typing I have also added an A record for just
> intranet.mycompany.co.jp to point to the same IP as
> intranet.intranet.mycompany.co.jp
>
> So far this has worked. I have added another A record for another machine
> and it works also as long as I use the form
> machinename.intranet.mycompany.co.jp ... If I try to use the shortened
> version, i.e. machinename.mycompany.co.jp it doesn't work. This "shortened"
> name "trick" only works for the machine the DNS server actually sits on
> (maybe it's because the machine has the same name as the sub-domain?)
>
> Can anyone explain to me why I am seeing this "problem" and how I can
> correctly configure my DNS server to respond to "shortened" names?
>
> Thanks!
>
> Jc
>
> Here is my conf file and forward file.
>
> [root at intranet named]# cat /etc/named.conf
> options {
>         directory "/var/named";
>          query-source address * port 53;
>          forwarders {
>              165.76.16.2;
>              165.76.8.2;
>          };
> };
> controls {
>         inet * allow {any;} keys {"rndc-key";};
> };
> key "rndc-key" {
>         algorithm hmac-md5;
>         secret "bGV0bWVp";
> };
> zone "intranet.mycompany.co.jp" {
>         type master;
>         file "db.intranet.mycompany.co.jp";
> };
> zone "100.2.10.in-addr.arpa" {
>         type master;
>         file "db.10.2.100";
> };
> zone "0.0.127.in-addr.arpa" {
>         type master;
>         file "db.127.0.0";
> };
> zone "." {
>         type hint;
>         file "db.cache";
> };
>
> #FORWARD file
> [root at intranet named]# cat db.mycompany.hmv.co.jp
> ;time to live for our zone
> $TTL 24h
> ;
> ;SOA records
> ;
> intranet.mycompany.co.jp. IN SOA intranet.intranet.mycompany.co.jp.
> jc.imbeault.mycompany.co.jp. (
>                 1       ; Serial
>                 3h      ; Refresh after 3 hours
>                 1h      ; Retry after 1 hour
>                 1w      ; Expire after one week
>                 1h )    ; Negative caching TTL of 1 day
> ;
> ;NS Records
> ;
> intranet.mycompany.co.jp. IN NS intranet.intranet.mycompany.co.jp.
> ;
> ;
> ; Host addresses
> ;These two work
> intranet.intranet.mycompany.co.jp.    IN A    10.2.100.72
> intranet.mycompany.co.jp.             IN A    10.2.100.72
> ;this one works
> top40.intranet.mycompany.co.jp.       IN A    10.2.100.71
> ;this one doesn't work
> top40.mycompany.co.jp.                IN A    10.2.100.71
>
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