Date: Thu, 22 Jun 2000 15:44:58 -0700 (PDT) From: Mike <mike@adept.org> To: Brad Knowles <blk@skynet.be> Cc: "laurens van alphen (craxx)" <freebsd.stable@lists.craxx.nl>, freebsd-stable@FreeBSD.ORG Subject: Re: Weird NSLOOKUP output... Message-ID: <Pine.BSF.4.21.0006221528520.82230-100000@snafu.adept.org> In-Reply-To: <v04220815b577cdd16cd8@[195.238.1.121]>
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Hmm.
[70]mike@snafu{mike}$ nslookup 194.151.212.12
Server: localhost.adept.org
Address: 127.0.0.1
Name: ns2.castel.nl
Address: 194.151.212.12
[71]mike@snafu{mike}$ nslookup 194.151.212.12 ns2.castel.nl
*** Can't find server name for address 194.151.212.12: Server failed
*** Default servers are not available
That error, of course, happens when the nameserver doesn't have a PTR
record. Not sure why the PTR is seen from my box but not from your
box. Are you authoritative for the reverse zone(s)?
-mrh
On Thu, 22 Jun 2000, Brad Knowles wrote:
> At 3:25 PM +0200 2000/6/22, laurens van alphen (craxx) wrote:
>
> > BB (big brother) has reported some nameserver problems with our
> > upstream.
> >
> > - Maybe NSLOOKUP is broken (FreeBSD 4.0-STABLE #4: Sun Jun 18 00:32:25 CEST
> > 2000) because DIG works fine.
>
> It is normal for nslookup to try to lookup the name of the
> nameserver it is told to be using, according to the IP address listed
> in /etc/resolv.conf. If there is a temporary DNS problem and there
> are no other servers listed in /etc/resolv.conf (or that was the last
> one), this can cause nslookup to abort.
>
> It is my understanding that the current version of nslookup is
> unlikely to live much longer. BIND-knowledgeable people I know of
> strongly recommend that you use "dig" instead, and in fact I've heard
> rumours that future versions of nslookup may in fact simply be
> another interface to the "dig" program, or may be a script of some
> sort that simply calls dig.
>
> --
> These are my opinions -- not to be taken as official Skynet policy
> ======================================================================
> Brad Knowles, <blk@skynet.be> || Belgacom Skynet SA/NV
> Systems Architect, Mail/News/FTP/Proxy Admin || Rue Colonel Bourg, 124
> Phone/Fax: +32-2-706.13.11/12.49 || B-1140 Brussels
> http://www.skynet.be || Belgium
>
>
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