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A comment on Ask HN: Why isn't multivalue answer DNS used outside Amazon?.

Re:Ask HN: Why isn't multivalue answer DNS used outside Amazon? by coolspot on Thursday January 28, 2021 @03:15AM (#25939460)
It is widespread for high-load highly-available distributed sites.

Amazon multivalue response is just a short TTL DNS record on a DNS server that returns one address from dynamic set of healthy IPs.

https://github.com/crohr/ebarnouflant/issues/19

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