[dns-operations] Diffing tools for zones?

[John Kristoff]

On Mon, 2 Aug 2010 12:09:19 -0700
Paul Hoffman <phoffman at proper.com> wrote:

> Are there any reasonable tools that know how to look for differences
> in two versions of a modern zone? By "reasonable" I mean "ignores
> changes in NSEC and NSEC3 records and other things that are normal in
> the daily operation of a signed zone".

I'd be curious what people are using or novel ideas to diff two very
large zone files, like .com.

John