Update DNS - Re: [CentOS] DNS maybe problems

Robert Moskowitz rgm at htt-consult.com
Fri Dec 30 16:12:52 UTC 2005


At 02:46 PM 12/29/2005, Benjamin Smith wrote:
>Restart named. ("#/etc/rc.d/init.d/named restart;") Then, test as follows,
>when logged into DNS system:
>
>nslookup - localhost
> > mydomain.com.

I have been getting no where with this one.   Going through various 
online BIND9 setup tutorials, I see a reference to nsswitch.conf.  In 
this file I find the entry:

hosts:      files dns

I have yet to find any explaination of this file.  Is there something 
I need to add?

Also I found references to /etc/hostname and /etc/networks.  Neither 
are on my system.  Are they needed?

And this was pretty much a standard CentOS 4.2 install, but I went 
back using that 'broken' add/remove gui to add BIND that I forgot 
(before I knew about yum install bind)

>Notice the dot at the end of the domain. It'll either work or tell 
>you that it
>didn't. If it works, your DNS server is set up. If not, your DNS server isn't
>as properly configured as you think.
>
>-Ben
>
>On Thursday 29 December 2005 07:28, Robert Moskowitz wrote:
> > I am setting up a new DNS server.  It will be primary for my domain.
> >
> > This server is in an active subnet with a real public address.
> >
> > It is not setup yet properly in .com, but that is in the works.
> >
> > In the var/named/chroot/etc
> >
> > I added:
> >
> > named.custom   (which I 'included' in named.conf)
> >
> > and my various zone files.
> >
> > All the log entries look good.
> >
> > Oh in /etc/resolv.conf, I added my system as one of the namewervers.
> >
> > When I go into nslookup and type any host name I get the error:
> >
> > ** server can't find foo:NXDOMAIN
> >
> > where foo is whatever I typed in.
> >
> > so what else did I forget to change?
> >
> >
> > _______________________________________________
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> > CentOS at centos.org
> > http://lists.centos.org/mailman/listinfo/centos
> >
>
>--
>"The best way to predict the future is to invent it."
>- XEROX PARC slogan, circa 1978
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