Difference between revisions of "Root nameserver"

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[[Root name server]] (alternatively spelled, [[root nameserver]] or, simply, [[root server]]; hereinafter, the ''Server'') is a name server for the [[root zone]] of the [[DNS|Domain Name System]] ([[DNS]]) of the [[Internet]].
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[[Root nameserver]] (alternatively spelled, [[root name server]]; also known as [[DNS root nameserver]], [[DNS root name server]], or, simply, [[root server]]; hereinafter, the ''Server'') is a [[nameserver]] for the [[DNS root zone|root zone]] of the [[DNS|Domain Name System]] ([[DNS]]) of the [[Internet]]. The ''Servers'' are a critical part of [[DNS infrastructure]] because they provide the initial data in resolving human-readable [[hostname]]s into [[IP address]]es that are used in communication between Internet hosts.
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==Root zone==
  
 
==Functions==
 
==Functions==
 
The ''Server'':
 
The ''Server'':
#Maintains databases for:
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#'''Maintains''' databases for:
#*All the records in the [[root zone]];
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#*All the records in the [[DNS root zone]];
#*A list of [[TLD nameserver]]s
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#*A list of [[TLD nameserver]]s, which are the [[authoritative nameserver]]s for the top-level domains (TLDs);
 
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#Directly '''answers''' requests of [[DNS resolver]]s for records in the [[root zone]] and appropriate [[TLD nameserver]]s.
the authoritative name servers for the appropriate top-level domain (TLD)
 
#Directly answers requests for records in the [[root zone]]; and
 
#Answers
 
 
 
requests by returning a list of the authoritative name servers for the appropriate top-level domain (TLD). The root name servers are a critical part of the Internet infrastructure because they are the first step in translating (resolving) human readable host names into IP addresses that are used in communication between Internet hosts.
 

Latest revision as of 21:58, 18 February 2019

Root nameserver (alternatively spelled, root name server; also known as DNS root nameserver, DNS root name server, or, simply, root server; hereinafter, the Server) is a nameserver for the root zone of the Domain Name System (DNS) of the Internet. The Servers are a critical part of DNS infrastructure because they provide the initial data in resolving human-readable hostnames into IP addresses that are used in communication between Internet hosts.


Root zone

Functions

The Server:

  1. Maintains databases for:
  2. Directly answers requests of DNS resolvers for records in the root zone and appropriate TLD nameservers.