authoritative server(redirected from authority server)
authoritative serverA server that contains a master set of data. When there is a change in the data, the authoritative server is updated. Contrast with "non-authoritative server," which is typically a cache server that retains copies of data that were retrieved as a result of normal user queries. Non-authoritative servers may or may not have the latest version of the data.
|Authoritative DNS Server|
|The authoritative server in the DNS system is the one that knows the actual IP address of a website. See DNS.|
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