Re: [DNSOP] RFC7720 and AXFR

Evan Hunt <each@isc.org> Sun, 28 October 2018 17:54 UTC

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Date: Sun, 28 Oct 2018 17:46:41 +0000
From: Evan Hunt <each@isc.org>
To: Grant Taylor <gtaylor=40tnetconsulting.net@dmarc.ietf.org>
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Subject: Re: [DNSOP] RFC7720 and AXFR
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On Sun, Oct 28, 2018 at 11:05:17AM -0600, Grant Taylor wrote:
> Does root zone local mirroring require that the zone comes from the 
> lettered root servers themselves?  Or could it come from another server 
> with the root zone?  Possibly a server that one or more operators set up 
> specifically for the purpose?

You're right, it could, and I'd forgotten earlier that the appendix
does also mention lax.xfr.dns.icann.org and iad.xfr.dns.icann.org.

However, the root servers are the root servers. We all know A through M by
heart, and resolvers have their addresses built in and kept up to date.
Seems like a useful thing to leverage, if possible.

-- 
Evan Hunt -- each@isc.org
Internet Systems Consortium, Inc.