Domain Name System

domain name system

[dō‚mān ′nām ‚sis·təm] (computer science) Abbreviated DNS. A system used on the Internet to map the easily remembered names of host computers (domain names) to their respective Internet Protocol (IP) numbers. A software database program that converts domain names to Internet Protocol addresses, and vice versa.

Domain Name System

(networking)(DNS) A general-purpose distributed, replicated,data query service chiefly used on Internet for translatinghostnames into Internet addresses. Also, the style ofhostname used on the Internet, though such a name isproperly called a fully qualified domain name. DNS can beconfigured to use a sequence of name servers, based on thedomains in the name being looked for, until a match is found.

The name resolution client (e.g. Unix's gethostbyname()library function) can be configured to search for hostinformation in the following order: first in the local hosts file, second in NIS and third in DNS. This sequencing ofNaming Services is sometimes called "name service switching".Under Solaris is configured in the file /etc/nsswitch.conf.

DNS can be queried interactively using the command nslookup.It is defined in STD 13, RFC 1034, RFC 1035, RFC 1591.

BIND is a common DNS server.

Info from Virtual Office, Inc..

单词	domain name system
释义	Domain Name System domain name system [dō‚mān ′nām ‚sis·təm] (computer science) Abbreviated DNS. A system used on the Internet to map the easily remembered names of host computers (domain names) to their respective Internet Protocol (IP) numbers. A software database program that converts domain names to Internet Protocol addresses, and vice versa. Domain Name System (networking)(DNS) A general-purpose distributed, replicated,data query service chiefly used on Internet for translatinghostnames into Internet addresses. Also, the style ofhostname used on the Internet, though such a name isproperly called a fully qualified domain name. DNS can beconfigured to use a sequence of name servers, based on thedomains in the name being looked for, until a match is found. The name resolution client (e.g. Unix's gethostbyname()library function) can be configured to search for hostinformation in the following order: first in the local hosts file, second in NIS and third in DNS. This sequencing ofNaming Services is sometimes called "name service switching".Under Solaris is configured in the file /etc/nsswitch.conf. DNS can be queried interactively using the command nslookup.It is defined in STD 13, RFC 1034, RFC 1035, RFC 1591. BIND is a common DNS server. Info from Virtual Office, Inc.. AcronymsSeeDNS
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