11 Mar
2005
11 Mar
'05
11:11 a.m.
On Thu, 10 Mar 2005 Michael.Dillon@radianz.com wrote:
One of our netblocks appears to be filtered somewhere inside their network, preventing DNS lookups from completing, thus preventing e-mail from being delivered.
Am I reading this correctly? You are saying that you have engineered a single point of failure in your network and now you are suffering as a result?
From how I read it, the original poster did not have a network failure, but rather is being afflicted by deliberate packet filtering. That is *not* a SPOF effect.
Sure, multiple diverse nameservers are preferable, but even that will never prevent blanket blocking from causing filures at some remote site. -- -- Todd Vierling <tv@duh.org> <tv@pobox.com>