nslookup gave misleading results?

Lowell Gilbert freebsd-current-local at be-well.ilk.org
Wed Oct 16 15:18:11 UTC 2013


Eitan Adler <lists at eitanadler.com> writes:

> On Wed, Oct 16, 2013 at 1:42 AM, Kevin Oberman <rkoberman at gmail.com> wrote:
>> nslookup(1) was deprecated about a decade ago because it often provides
>> misleading results when used for DNS troubleshooting. It generally works
>> fine for simply turning a name to an address or vice-versa.
>
> Can you give a bit more detail on this?  In what ways did it give
> misleading results?

A couple of different reasons cited by ISC for why they deprecated it a
long time ago:  nslookup bundled an internal resolver library, and so it
wouldn't always give the same results as other utilities. Also, it
always ignored some of the host configuration.

-- 
Lowell Gilbert


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