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[opennic-discuss] Root zone testing

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  • From: Jeff Taylor <shdwdrgn AT>
  • To: discuss AT
  • Subject: [opennic-discuss] Root zone testing
  • Date: Mon, 08 Sep 2014 11:49:18 -0600
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A recent discussion has brought up the possibility that not all tier2 servers may be carrying the same root zone, or even staying up to date with the file. This came to light when a user noticed they couldn't resolve an icann TLD that was created this April.

So I would like to start a discussion on policies and testing methodology. First, what should we consider to be a standard policy for the public tier2 servers? The wiki pages on setting up a tier2 server all state that the root zone should be slaved from NS0, however if you are not running BIND then slaving a zone may not be possible (although this setup should be passing the queries on to one of the tier1 servers). There is also the situation where some folks also run servers for other alt-roots, and they may not have the tools available to merge multiple root zones together... Do we want to enforce the usage of the opennic root zone for tier2 servers (complete with dnssec entries), or do we want to keep the openness that our project was created on, and allow for the possibility of other root zones?

Second, how should we test for functionality of the root zone? If we insist on everyone using opennic's root, then it could be as simple as checking the serial and making sure it is within a couple days of what NS0 has posted. However if we want to remain open, we still want to ensure that the tier2 servers are carrying recent changes to icann/opennic TLDs, but how do we detect that? It could be quite a chore to try and detect every time a new TLD is added to the icann list, and we certainly couldn't reply on matching the serial for the root zone if everyone is using a different source.

One more point -- the server that caused the original discussion has been updated, so at this point every tier2 server is currently resolving an up-to-date opennic root zone. This means if we wanted to make it a policy to require the use of our root, nobody would have to change anything, and the policy would only have to be enforced moving forward with new servers.

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