On 2020-04-23 14:16, Sarah Newman wrote:
What should happen when for a given domain:
- The domain resolves via TCP but not UDP - UDP for this domain had no
response at all.
- That authoritative nameserver hosts other domains, and those domains
resolve via UDP.
Do you have an example for this? I don't get the "no response on UDP"
part. If the same nameserver is answering other queries on UDP, why
wouldn't at least send a REFUSED reply?
Perhaps REFUSED has been disabled somehow; that could be tested by
querying it for other non-hosted zones,
dig @<that-NS> ns isc.org.
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