Still though, aren't most consumers using their ISP's DNS servers, which will ca... | Hacker News

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		gibybo on April 29, 2014 \| parent \| context \| favorite \| on: Google Cloud DNS Still though, aren't most consumers using their ISP's DNS servers, which will cache the same response for all of their customers in a region?

takeda on April 29, 2014 [–]

It all depends on how high ttl is, the number of queries increase exponentially as you decrease it, with ttl=0 you have no caching.

My company makes about 160qps which translates to about half billion per month, so it doesn't seem too unrealistic.

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