TTL of 0 for DNS forwarder overrides

From:	Steve Yates <steve at teamITS dot com>
To:	"m0n0wall at lists dot m0n0 dot ch" <m0n0wall at lists dot m0n0 dot ch>
Subject:	TTL of 0 for DNS forwarder overrides
Date:	Sat, 12 Nov 2011 22:31:01 -0600

I did not really pay attention before, but I am curious why override entries on the DNS forwarder
page use a TTL of zero?  The obvious answer would be that changes take effect immediately, however,
it seems like this would also generate a lot of extra DNS traffic for frequently used hostnames.

--

Steve Yates
ITS, Inc.