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DNS data is meant to be public, preserving the confidentiality of DNS data. The primary security goals for DNS are data integrity and source authentication, which are needed to ensure the authenticity of domain name information and maintain the integrity of domain name information in transit. This
Domain Name System (DNS) enables you to use hierarchical, friendly names to easily locate computers and other resources on an IP network. The following sections describe the basic DNS concepts, including features explained in newer Requests for Comments (RFCs), such as dynamic update, from the Internet Engineering Task Force (IETF).
1 maj 2012 · The Domain Name System (DNS) is a critical component of the global Internet infrastructure. Throughout its history, its design and administration has experienced significant dynamic changes...
The most common use of DNS is mapping domain names to IP addresses. DNS also maps IP addresses to domain names. This is called reverse DNS and it uses the PTR RR type. IPv4 reverse DNS is mapped via a special domain (subtree) called in-addr.arpa. IPv6 reverse DNS is mapped via a special domain (subtree) called ip6.arpa.
name service and network management are provided by DNS and SNMP (Simple Network Management Protocol) respectively. name server :: an implementation of a resolution mechanism available on a network and queried via a message. Computer Networks DNS 3
An Introduction to DNS The Internet—or any network for that matter—works by allocating a locally or globally unique IP address to every endpoint (host, server, router, interface, and so on).
Domain name system (DNS) is a foundational element of internet protocol (IP) communications. The global DNS is effectively a distributed hierarchical database. Each "dot" in a domain name indicates a boundary between tiers in the hierarchy, with each name in between dots denoted as a label.
