Expire : le délai en secondes au terme duquel la zone est considérée comme invalide si le secondaire ou les esclaves ne peuvent joindre le serveur primaire ;

Most prominently, it translates easily memorized domain names for the numerical IP addresses essential for finding and identifying Pc expert services and devices Along with the fundamental community protocols.[1] The Domain Name process is an essential ingredient in the features of the Internet because 1985.

NAPTR record ou Name Authority Pointer history qui donne accès à des règles de réécriture de l'data, permettant des correspondances assez lâches entre un nom de domaine et une ressource. Il est spécifié dans la RFC 3403[28] ;

DNS might also "leak" from usually safe or non-public connections, if consideration just isn't paid out to their configuration, and occasionally DNS has been accustomed to bypass firewalls by malicious people, and exfiltrate info, as it is usually found as innocuous.

Dabei werden einem anfragenden consumer zusätzlich zu der korrekten Antwort, manipulierte Daten übermittelt, die dieser in seinen Cache übernimmt und später, möglicherweise ungeprüft, verwendet.

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The privacy gains of Oblivious DNS is usually garnered in the use on the preexisting Tor network of ingress and egress nodes, paired With all the transportation-layer encryption supplied by TLS.[forty nine]

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each DNS zone needs website to be assigned a set of authoritative name servers. This list of servers is stored while in the parent domain zone with name server (NS) records.

Le système des noms de domaine consiste en une Helloérarchie dont le sommet est appelé la racine. On représente cette dernière par un place.

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due to this dispersed caching architecture, variations to DNS information don't propagate through the entire community straight away, but need all caches to expire and also to be refreshed following the TTL. RFC 1912 conveys primary procedures for pinpointing proper TTL values.