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

Jean-Christian Imbeault jean_christian at hotmail.com
Wed Jun 6 02:38:45 UTC 2001



Makes sense, but why is intranet.mycompany.co.jp being answered correctly 
then?

Jc

[Kevin Darcy <kcd at daimlerchrysler.com>] wrote:

>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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>
>

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