nslookup tries only first dns in resolv.conf

[base60]

linuxnewbie1234 wrote:
> Hi all, not sure it's the right NG but...
> 
> We have an internal network of linux computers, with an internal DNS to 
> resolve internal names, then we have two external DNSs to resolve 
> external names.
> So in the internal computers, resolv.conf contains 3 entries.
> 
> Now, internal linux machines query only the FIRST dns server written in 
> resolv.conf, failing to resolve SOME(*) external names.
> 
> Question: why don't these machines try the other DNSs in resolv.conf? 

Because the first one answered.

You may not like the answer, but "no" is an answer.

> And: what is the proper configuration to make the thing work?

Split DNS or change the domain name for your internal systems.

> 
> 
> TIA
> (*) for a reason not exactly known to me right now, the internal DNS is 
> capable to resolve also many external names, that's why many external 
> names are anyway resolved by the internal computers.
> 
>