On 27 Oct 2011, at 11:27, Joao Damas wrote:


Why would the NS records' RDATA matter to the z zone Joao? The NS records have owner names living under two discrete but nested zone cuts. I don't understand how the z zone would (need to) care about hostnames in the server or name.server zone. Or if they even resolve.

because some implementation merge info if it is available, if they host the databases for both zones, which leads to different observed behaviours in responses.

Ah yes. I thought those sorts of quirks were limited to registry implementations and their database schemas. Perhaps DNS implementations show similar sort of behaviour whenever they use a database as their back-end.

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