A Primary DNS Server is the authoritative server for a domain, holding the original read-write copy of all DNS records for that domain. It is responsible for responding to DNS queries with the most up-to-date information and propagating changes to secondary DNS servers to ensure redundancy and reliability.

Primary DNS Server

An authoritative server is a DNS server that holds the definitive records for a particular domain and is responsible for answering queries about that domain with accurate information. It ensures that users can reliably access websites by providing the correct IP addresses associated with domain names, playing a crucial role in the Domain Name System infrastructure.

authoritative server

DNS records are essential components of the Domain Name System that store information about domain names, translating human-readable addresses into IP addresses necessary for locating devices on a network. They enable the functioning of the internet by directing traffic to the correct servers, ensuring that users can access websites and services efficiently.

DNS records

DNS queries

up-to-date information

propagating changes

secondary DNS servers

Redundancy refers to the inclusion of extra components or information that are not strictly necessary, often to ensure reliability and fault tolerance. It is a crucial concept in various fields, from engineering and computing to linguistics and organizational design, where it helps prevent system failures and enhances communication clarity.

redundancy

Reliability refers to the consistency and dependability of a system, process, or measurement over time. It is crucial for ensuring trust and accuracy in various fields, such as engineering, psychology, and statistics, where repeated results are essential for validation and decision-making.

Relevant Degrees

Log in to see lessons