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2. Domain Name System - Wikipedia

   en.wikipedia.org/wiki/Domain_Name_System

   A DNS name server is a server that stores the DNS records for a domain; a DNS name server responds with answers to queries against its database. The most common types of records stored in the DNS database are for start of authority ( SOA ), IP addresses ( A and AAAA ), SMTP mail exchangers (MX), name servers (NS), pointers for reverse DNS ...

3. Google Public DNS - Wikipedia

   en.wikipedia.org/wiki/Google_Public_DNS

   Google Public DNS is a Domain Name System (DNS) service offered to Internet users worldwide by Google. It functions as a recursive name server . Google Public DNS was announced on December 3, 2009, [1] in an effort described as "making the web faster and more secure." [2] [3] As of 2018, it is the largest public DNS service in the world ...

4. Name server - Wikipedia

   en.wikipedia.org/wiki/Name_server

   A DNS name server is a server that stores the DNS records, such as address (A, AAAA) records, name server (NS) records, and mail exchanger (MX) records for a domain name (see also List of DNS record types) and responds with answers to queries against its database. Types of Nameservers

5. Root name server - Wikipedia

   en.wikipedia.org/wiki/Root_name_server

   A root name server is a name server for the root zone of the Domain Name System (DNS) of the Internet. It directly answers requests for records in the root zone and answers other 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 ...

6. DNS root zone - Wikipedia

   en.wikipedia.org/wiki/DNS_root_zone

   The root servers clusters have the official names a.root-servers.net to m.root-servers.net. To resolve these names into addresses, a DNS resolver must first find an authoritative server for the net zone. To avoid this circular dependency, the address of at least one root server must be known for bootstrapping access to the DNS. For this purpose ...

7. 1.1.1.1 - Wikipedia

   en.wikipedia.org/wiki/1.1.1.1

   1.1.1.1. 1.1.1.1 is a free Domain Name System (DNS) service by the American company Cloudflare in partnership with APNIC. [7] [needs update] The service functions as a recursive name server, providing domain name resolution for any host on the Internet. The service was announced on April 1, 2018. [8] On November 11, 2018, Cloudflare announced a ...

8. nslookup - Wikipedia

   en.wikipedia.org/wiki/Nslookup

   nslookup (from name server lookup) is a network administration command-line tool for querying the Domain Name System (DNS) to obtain the mapping between domain name and IP address, or other DNS records.

9. DNS zone - Wikipedia

   en.wikipedia.org/wiki/DNS_zone

   DNS zone. A DNS zone is a specific portion of the DNS namespace in the Domain Name System (DNS), which a specific organization or administrator manages. A DNS zone is an administrative space allowing more granular control of the DNS components, such as authoritative nameserver. The DNS is broken up into different zones, distinctly managed areas ...