[ncc-services-wg] Proposal: optimized rev-DNS operations
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Kurt Kayser
kurt_kayser at gmx.de
Mon Oct 28 22:16:37 CET 2019
Hello Harvard, thanks for your comments. Please let me comment on two items: > And, further, NXDOMAIN isn't really an "error", it's a code indicating that the queried-for name doesn't exist in the DNS. Fully agreed, but we could think about if a rev-DNS request to a non-allocated RIR_Address-space could receive a slightly different response than a non-delegated zone (due to whatsoever reason). (i.e. NXDOMAIN = does not exist vs. NXDELEG = is not delegated yet) >> 2. Question: How could this be optimized or at least encouraged >> to be fixed? > Is this really an operational problem? If you think so, I think > you need to explain in more detail why this is so, because it's > far from obvious. As has been asked by others, doesn't proper > "aggressive negative caching using DNSSEC" as per RFC 8198 take > care of the "optimization"? And ... a member wanting to see > these stats for address space they "own", they can just get the > corresponding zones delegated and inspect this themselves... Sure, this is the current way of operations. I see some potential to inform address space owners about rev-DNS interested area that could get attention after being visible in some statistics. Those are not available yet from the RIPE NCC servers and I trying to start looking at the numbers which could be included in the LIR_Portal or other prominent service summaries (i.e. the monthly mailing to the LIR about the status of the LIR). > I'm with what others have said here: the proper venue for > discussing this issue is the DNS WG. True, I have moved the topic over to the other WG. Regards, Kurt -------------- next part -------------- A non-text attachment was scrubbed... Name: smime.p7s Type: application/pkcs7-signature Size: 4052 bytes Desc: S/MIME Cryptographic Signature URL: <https://lists.ripe.net/ripe/mail/archives/ncc-services-wg/attachments/20191028/65cdfe7e/attachment.p7s>
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