Difference between revisions of "Root nameserver"

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(Functions)
(Functions)
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==Functions==
 
==Functions==
 
The ''Server'':
 
The ''Server'':
#Maintains databases for:
+
#'''Maintains''' databases for:
 
#*All the records in the [[root zone]];
 
#*All the records in the [[root zone]];
#*A list of [[TLD nameserver]]s
+
#*A list of [[TLD nameserver]]s, which are the authoritative name servers for the top-level domains (TLDs);
 
+
#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.
 

Revision as of 18:41, 12 January 2019

Root name server (alternatively spelled, root nameserver or, simply, root server; hereinafter, the Server) is a name server for the root zone of the Domain Name System (DNS) of the Internet.

Functions

The Server:

  1. Maintains databases for:
    • All the records in the root zone;
    • A list of TLD nameservers, which are the authoritative name servers for the top-level domains (TLDs);
  2. Directly answers requests of DNS resolvers for records in the root zone and appropriate TLD nameservers.