Building Reliability: Inside My DNS Resolver Health Checking System
One of the most frequent questions I get (okay, I don’t actually get questions, but if I did, this would be one): “How do you maintain reliability when querying millions of domains across thousands of resolvers?”
Read MoreScaling DNS Queries: How I Query Millions of Domains Daily
Let me tell you about one of my favorite technical challenges: how do you query millions of domains every single day without overwhelming any single DNS resolver, without revealing what you’re researching, and while maintaining rock-solid reliability?
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