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Doesn’t systemd-resolved do this by default now, so this is a non-issue?



Yes. Also, nscd is irrelevant in at least a few ecosystems. Java and (I think) Go try to do their own resolving instead of using libc. Java's resolver, in particular, is braindead in the default configuration: infinite record caching, ignoring TTLs.

systemd-resolved solves this, as does running unbound or similar as a local cache.




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