A program which can monitor HTTP service and change DNS recor d on fail?

Sam Pointer sam.pointer at hpdsoftware.com
Fri Apr 5 10:25:07 UTC 2002


Thankyou for the advice; will do

-----Original Message-----
From: Barry Margolin [mailto:barmar at genuity.net]
Sent: 04 April 2002 19:13
To: comp-protocols-dns-bind at isc.org
Subject: Re: A program which can monitor HTTP service and change DNS
recor d on fail?


In article <a8hvhd$5r0 at pub3.rc.vix.com>,
Sam Pointer  <sam.pointer at hpdsoftware.com> wrote:
>All of our caching values are set to 0 (like I said, low volume) so the
>change is more of less instant. Mostly people are unaware, execpt for
>dropped ssh sessions and the like.

I recommend you change your TTLs from 0 to 1.  Some caching nameservers
don't handle 0 properly (they expire the record before they can return it
to the client).

-- 
Barry Margolin, barmar at genuity.net
Genuity, Woburn, MA
*** DON'T SEND TECHNICAL QUESTIONS DIRECTLY TO ME, post them to newsgroups.
Please DON'T copy followups to me -- I'll assume it wasn't posted to the
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