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[Feature request] ability to set Max/Min TTL for cached queries and also for negative ones #2

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alpominth opened this issue Jan 20, 2023 · 0 comments
Open

[Feature request] ability to set Max/Min TTL for cached queries and also for negative ones #2

alpominth opened this issue Jan 20, 2023 · 0 comments

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@alpominth
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alpominth commented Jan 20, 2023 •
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A common feature in DNS forwarders is the ability to set a maximum and a minimum time for queries to stay in the cache.

Also, an option for set a TTL for negative answers would be very useful: let's suppose I configured zdns to do a persistent caching for 1 month. A negative response (NXDOMAIN) could be cached for 1 month if there is no option for setting a TTL for negative answers; if the site returns in some days, I will notice that the site is back only after 30 days as the cached negative answer would tell that.

@mpolden

I hope you consider my suggestion and implement it if possible.
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@alpominth