DNS Servers Explained: Root, TLD, Recursive Resolver & Authoritative Nameserver (2026 Guide)

Quick answer: DNS servers convert domain names like example.com into IP addresses so devices know where to send traffic on the internet. The DNS system uses four server types working together: Recursive Resolvers (your ISP’s “librarian” that asks other servers on your behalf), Root Servers (the starting point that directs to TLD servers), TLD Servers (managers for .com, .net, .org extensions), and Authoritative […]

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