October 29, 202620 min read
It's Always DNS (in Kubernetes): ndots:5, Search Domains and the 4 Lookups Behind Every curl
Why a pod resolves api.example.com slowly (or not at all), how ndots:5 turns one name into four tries, and the client-side fixes and CoreDNS tuning that make it stop
kubernetesdnsnetworkingcorednsinfrastructure
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