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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 ktpsns on Thursday January 28, 2021 @03:15AM (#25939462)
DNS Round robin is as standard practice. Just "dig google.com" in your terminal and your DNS provider will certainly spit out multiple IPs.

https://docs.aws.amazon.com/Route53/latest/DeveloperGuide/re... also mentions a "health" column. Thats beyond the scope of a public world wide DNS with caching, in my opinion.

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