[GH-ISSUE #3009] Reuse cached NXDOMAIN responses for all record types #1109

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opened 2026-03-16 01:37:29 +03:00 by kerem · 0 comments

kerem commented

2026-03-16 01:37:29 +03:00

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Originally created by @divergentdave on GitHub (May 23, 2025).
Original GitHub issue: https://github.com/hickory-dns/hickory-dns/issues/3009

When we get an NXDOMAIN response for some query, we can reuse that response for other queries with the same name and different record types. Thus, it would be useful to cache it differently, without any record type in the cache key.

Originally created by @divergentdave on GitHub (May 23, 2025). Original GitHub issue: https://github.com/hickory-dns/hickory-dns/issues/3009 When we get an NXDOMAIN response for some query, we can reuse that response for other queries with the same name and different record types. Thus, it would be useful to cache it differently, without any record type in the cache key.