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2. Domain Name System - Wikipedia

   en.wikipedia.org/wiki/Domain_Name_System

   The Domain Name System (DNS) is a hierarchical and distributed name service that provides a naming system for computers, services, and other resources on the Internet or other Internet Protocol (IP) networks. It associates various information with domain names (identification strings) assigned to each of the associated entities.

3. Comparison of DNS server software - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_DNS_server...

   Knot DNS. Knot DNS is a free software authoritative DNS server by CZ.NIC. Knot DNS aims to be a fast, resilient DNS server usable for infrastructure (root and TLD) and DNS hosting services. Knot DNS supports DNSSEC signing and among others hosts root zone (B, K, and L root name servers), several top-level domains.

4. dnsmasq - Wikipedia

   en.wikipedia.org/wiki/Dnsmasq

   dnsmasq is free software providing Domain Name System (DNS) caching, a Dynamic Host Configuration Protocol (DHCP) server, router advertisement and network boot features, intended for small computer networks. [4][5] dnsmasq has low requirements for system resources, [6][7] can run on Linux, BSDs, Android and macOS, and is included in most Linux ...

5. Name server - Wikipedia

   en.wikipedia.org/wiki/Name_server

   Caching name servers (DNS caches) are usually recursive resolvers that store DNS query results for a period of time determined in the configuration (time-to-live) of each domain-name record. DNS caches improve the efficiency of the DNS by reducing DNS traffic across the Internet, and by reducing load on authoritative name-servers, particularly ...

6. Unbound (DNS server) - Wikipedia

   en.wikipedia.org/wiki/Unbound_(DNS_server)

   Unbound (DNS server) Unbound is a validating, recursive, and caching DNS resolver product from NLnet Labs. It is distributed free of charge in open-source form under the BSD license.

7. Domain Name System Security Extensions - Wikipedia

   en.wikipedia.org/wiki/Domain_Name_System...

   The Domain Name System Security Extensions (DNSSEC) are a suite of extension specifications by the Internet Engineering Task Force (IETF) for securing data exchanged in the Domain Name System (DNS) in Internet Protocol (IP) networks. The protocol provides cryptographic authentication of data, authenticated denial of existence, and data ...

8. Round-robin DNS - Wikipedia

   en.wikipedia.org/wiki/Round-robin_DNS

   Round-robin DNS. Round-robin DNS is a technique of load distribution, load balancing, or fault-tolerance provisioning multiple, redundant Internet Protocol service hosts, e.g., Web server, FTP servers, by managing the Domain Name System 's (DNS) responses to address requests from client computers according to an appropriate statistical model. [1]

9. Time to live - Wikipedia

   en.wikipedia.org/wiki/Time_to_live

   TTLs also occur in the Domain Name System (DNS), where they are set by an authoritative name server for a particular resource record. When a caching (recursive) nameserver queries the authoritative nameserver for a resource record, it will cache that record for the time (in seconds) specified by the TTL.