Root nameservers
13 named root servers globally (anycast to hundreds of physical). Know only the TLD nameservers (.com, .org, etc.).
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Root nameservers
13 named root servers globally (anycast to hundreds of physical). Know only the TLD nameservers (.com, .org, etc.).
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TLD nameservers
Manage each top-level domain. .com NS knows nameservers for every .com domain. Verisign runs most.