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Networking

The DNS resolution path, step by step

unwritten—Outline
Note to self
Not written yet. This is the outline I am working from — it will be filled in as I go through the topic.
  • Stub resolver, recursive resolver, root, TLD, authoritative
  • Records that matter: A, AAAA, CNAME, SRV, TXT
  • TTLs, negative caching and why a deploy still hits the old IP
  • Debugging with dig +trace
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