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DNS Resource Records
DNS Resource Records

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!!! Overview
[{$pagename}] are the basic information elements of the [Domain Name System].
Each [{$pagename}] has a type (name and number), an [Expiration Date] (time to live), a class, and type-specific [data].
[{$pagename}] of the same type are described as a resource record set (RRset). The order of resource records in a set, which is returned by a [DNS resolvers] to an [application], is undefined, but often servers implement round-robin ordering to achieve load balancing. The[ Domain Name System Security Extensions] ([DNSSEC]), however, work on the complete set of resource record in canonical order.
Resource record ([RR]) fields
%%zebra-table
%%sortable
%%table-filter
||Field||Description||Length ([Octet])
|NAME|Name of the node to which this record pertains|Variable
|[TYPE|DNS record type]|[DNS record type] of RR in numeric form (e.g., 15 for MX RRs)|2
|CLASS|Class code|2
|[TTL|Time To Live]|Count of seconds that the RR stays valid (The maximum is 231−1, which is about 68 years)|4
|RDLENGTH|Length of RDATA field|2
|RDATA|Additional RR-specific data|Variable, as per RDLENGTH
/%
/%
/%
!! Category
%%category [Domain Name System] ([DNS])%%
!! More Information
There might be more information for this subject on one of the following:
[{ReferringPagesPlugin before='*' after='\n' }]
----
* [#1] - [Domain_Name_System#DNS_resource_records|Wikipedia:Domain_Name_System#DNS_resource_records|target='_blank'] - based on information obtained 2017-10-30-
This page (revision-1) was last changed on 29-Nov-2024 16:16 by UnknownAuthorTop