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Question after reading (very interesting) answers: what is the downsize using the root servers instead of the well-known ones? (1.1.1.1, 8.8.8.8, ...) Is it th

Question after reading (very interesting) answers: what is the downsize using the root servers instead of the well-known ones? (1.1.1.1, 8.8.8.8, ...) Is it the cache that improves resolution speed in a meaningful way?

cyounkins 5y ago
They are used in different ways - search for recursive resolver vs caching public resolver. Running your own recursive resolver will almost certainly be slower, on the order of 2x latency. I should test it... Also, DNS-over-HTTP and DNS-over-TLS are not available with all DNS servers, but can be readily enabled to secure the last mile when the upstream public resolver supports it.