Re: Question about expected recursive resolver behavior

On 4/23/20 12:41 PM, Chuck Aurora wrote: 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

Question about expected recursive resolver behavior

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. I found https://www.isc.org/blogs/refinements-to-edns-fallback-behavior-c