resource records are the fields (rows) required for a dns entry.
resource records are the fields (rows) required for a dns entry.
what are the fields (rows) required for a dns entry?
resource records
in a "non-recursive query", a dns resolver queries a dns server that provides a record either for which the server is authoritative, or it provides a partial result without querying other servers. in case of a caching dns resolver, the non-recursive query of its local dns cache delivers a result and reduces the load on upstream dns servers by caching dns resource records for a period of time after an initial response from upstream dns servers.
domain name system
if an attacker is able to cause a dns server to cache a fabricated dns entry (called dns cache poisoning), then this could allow the attacker to gain access to a user's cookies. for example, an attacker could use dns cache poisoning to create a fabricated dns entry of codice_81 that points to the ip address of the attacker's server. the attacker can then post an image url from his own server (for example, codice_82). victims reading the attacker's message would download this image from codice_81. since codice_81 is a sub-domain of codice_85, victims' browsers would submit all codice_17-related cookies to the attacker's server.
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