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Re:Every device with FB app is now DDoSing recursive DNS res... by throwaway09223 on Tuesday October 05, 2021 @12:30AM (#28755516)
"Why on earth would any system need a TTL beyond 1 hour?"

Load. Lower TTLs mean shorter term caches and more traffic.

This is a big deal, especially for root servers -- which is why the TTL is not customizable.

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