[34067] in North American Network Operators' Group
Re: How common is lack of DNS server diversity?
daemon@ATHENA.MIT.EDU (Greg A. Woods)
Sat Jan 27 18:49:00 2001
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From: woods@weird.com (Greg A. Woods)
To: nanog@merit.edu
In-Reply-To: <20010127235354T.he@runit.no>
Reply-To: woods@weird.com (Greg A. Woods)
Message-Id: <20010127234440.A2B2F4@proven.weird.com>
Date: Sat, 27 Jan 2001 18:44:40 -0500 (EST)
Errors-To: owner-nanog-outgoing@merit.edu
[ On Saturday, January 27, 2001 at 23:53:54 (+0100), Havard Eidnes wrote: ]
> Subject: Re: How common is lack of DNS server diversity?
>
> If "doesn't resolve" means "the target domain itself exists but none
> of the authoritative name servers for the domain respond", those
> mail systems doing as mentioned above should most probably be
> replaced, because they do not properly and reasonably distinguish
> between "hard" and "soft" errors when using the DNS.
Yup, but don't tell me! :-)
Unfortunately "it works most of the time", or "it always works for us"
keeps such broken stuff in production.
--
Greg A. Woods
+1 416 218-0098 VE3TCP <gwoods@acm.org> <robohack!woods>
Planix, Inc. <woods@planix.com>; Secrets of the Weird <woods@weird.com>
