Change in behaviour regarding ndots and searchlist

Barry Margolin barmar at alum.mit.edu
Mon Sep 15 13:17:15 UTC 2014


In article <mailman.957.1410786839.26362.bind-users at lists.isc.org>,
 Steven Carr <sjcarr at gmail.com> wrote:

> On 15 September 2014 13:29, Lightner, Jeff <JLightner at dsservices.com> wrote:
> > I've begun seeing this recently in nslookup on Windows workstations as 
> > well.    It appears it is appending search domains even when I've specified 
> > an FQDN.   That is I have two search domains such as ex1.com and ex2.net 
> > and I typed short name "ralph" for nslookup or host it would give me 
> > "ralph.ex1.com" IP if it existed or "ralph.ex2.net" if the ralph.ex1.com 
> > didn't exist and the latter did.   Now what I'm seeing is even if I specify 
> > "ralph.ex1.com" it is looking up and failing on "ralph.ex1.com.ex2.net".
> 
> Without the final explicit "." your name is not fully qualified.

But if a name has more than ndots dots, it's supposed to be tried as 
given first, before adding search domains.

-- 
Barry Margolin
Arlington, MA


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