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From: Don Lewis <Don.Lewis@tsc.tdk.com>
Message-Id: <199812080031.QAA10114@salsa.gv.tsc.tdk.com>
Date: Mon, 7 Dec 1998 16:31:08 -0800
In-Reply-To: Tony Kimball <alk@pobox.com>
       "Re: resolver behaviour" (Dec  7,  2:04pm)
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To: alk@pobox.com, net@FreeBSD.ORG
Subject: Re: resolver behaviour
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On Dec 7,  2:04pm, Tony Kimball wrote:
} Subject: Re: resolver behaviour
} Quoth Don Lewis on Mon, 7 December:
} : } I'm talking about bad nameservers on the Internet at large.
} : 
} : But the name server entries in /etc/resolv.conf point to your local
} : name servers.  
} 
} They point to *some* name servers.  They may or may not be local,
} depending on what you mean by local and the details of your configuration.

So if you discover that one of netscape.com's servers is broken, you're
going to add a non-broken server to for netscape.com to your /etc/resolv.conf?
Then when you find another broken server, you'll add another entry to
/etc/resolv.conf, etc.

} This is the theory of dns, but in practice this is not the case.
} NXDOMAIN replies are issued in cases where a valid mapping exists, and
} can be obtained from another name server.  Repeating this fact is
} now wearisome.

NXDOMAIN replies are issued by servers that have been configured to
be authoritative for the zone in which the name resides and that name
is not listed in the zone file.

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