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Re: How common is lack of DNS server diversity?

  • From: Greg A. Woods
  • Date: Sat Jan 27 18:50:21 2001 
[ 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      <[email protected]>      <robohack!woods>
Planix, Inc. <[email protected]>; Secrets of the Weird <[email protected]>