Re: [nznog] Xtra mail admins around?

On Wed, 17 Oct 2012, Don Stokes wrote:

If they properly separated their authoritative name service from their caching forwarders, this wouldn't be a problem. The change in delegation would mean nobody ever saw the old records ever again after the TTLs expired.

This has been "best practice" since the late '90s, FFS.

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