subdomain question

Kevin Darcy kcd at daimlerchrysler.com
Tue Aug 22 21:24:15 UTC 2000


A short name won't resolve unless the resolver has a default domain or a searchlist
including the domain that the short name is in. This is why it's always good
practice to use fully-qualified names, especially when trying to troubleshoot
DNS problems.


- Kevin

Tony OGER wrote:

> Hi,
>
> I would like to set up a subdomain for my principal nameserver.
> My principal domain name is ib.e-laser.fr and is running on 192.168.1.201
> (pluton).
>
> My subdomain is run.ib.e-laser.fr and has a primary and secondary namservers
> running on 192.168.1.203 (orion) & 192.168.1.202 (mars)
>
> those 2 domains runs without problems but are independant for this moment (i set
> in the primary and secondary sub domain nameserver, the principal nameserver as
> forwarder).
> I would like the principal nameserver able to see and resolve hosts defined in
> the subdomain nameserver (but by delegating request to the subdomain).
>
> here is my conf files on pluton nameserver:
> named.soa:
> @               IN SOA  pluton.ib.e-laser.fr.   postmaster.ib.e-laser.fr. (
>                         2000070106      ; Serial
>                         500     ; Refresh
>                         3600    ; Retry
>                         3600000 ; Expire
>                         172800 )        ; Minimum
>                 IN NS   pluton.ib.e-laser.fr.
> run             IN NS   orion.run.ib.e-laser.fr.
> run             IN NS   mars.run.ib.e-laser.fr.
>
> orion.run               IN A 192.168.1.203
> mars.run                IN A 192.168.1.202
>
> Is it the only conf file to update to make subdomain working ?
>
> When i try on pluton to resolve hosts in ib.e-laser.fr it works (it works too
> when i try on a subdomain 's host to resolv a hosts in the subdomain)
> but when i try to resolv (venus for example which is defined in the subdomain)
> from a host like pluton which is in my principal domain , it doesn't works..)
>
> root at pluton../ib.e-laser.fr$ nslookup
> Default Server:  pluton.ib.e-laser.fr
> Address:  192.168.1.201
>
> > orion
> Server:  pluton.ib.e-laser.fr
> Address:  192.168.1.201
>
> Non-authoritative answer:
> Name:    orion.run.ib.e-laser.fr
> Address:  192.168.1.203
>
> > venus
> Server:  pluton.ib.e-laser.fr
> Address:  192.168.1.201
>
> *** pluton.ib.e-laser.fr can't find venus: Non-existent host/domain
> > venus.run.ib.e-laser.fr
> Server:  pluton.ib.e-laser.fr
> Address:  192.168.1.201
>
> *** pluton.ib.e-laser.fr can't find venus.run.ib.e-laser.fr: Non-existent
> host/domain
>
> Do i forget something ? is there some information to add in the
> 168.192.named.soa conf file ?
>
> I run named on linux 2.2.14.
> Thanks for your help.
>
> Tony OGER
> E-laser Sys Admin
> tony.oger at free.fr






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