[nsd-users] Downstream plus upstream zone transfer

[Ask Bjørn Hansen]

It sounds like you have a problem or concern that you didn't describe.

If you have frequent transfers of large zones (maybe to slow slaves or from a slow master?) you'll be better off having the intermediary "transfer hub" run something that can serve IXFR transfers. Bind works well for this, even if the upstream can't do IXFRs.

Then the downstream hosts will just get a small update to apply.

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