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 dns - Definition 

Microsoft DNS (9207 bytes)
1: ... clients, and to service DNS update requests from DNS update clients.
5: == DNS lookup client ==
6: ...DLL, which in turn handle all communications with DNS servers (over [[UDP]] or [[TCP]]) and return the ...
8: ... The DNS Client service itself communicates with DNS servers, and [[cache]]s the results that it recei...
10: ...cation switches to one of several ''alternative'' DNS servers.

DNS zone (249 bytes)
1: ...ame System]] (DNS) is a subdivision of the entire DNS namespace, from a single point, the ''zone apex''...

Dynamic DNS (1865 bytes)
1: '''Dynamic DNS''' is a system for allowing an [[Internet]] [[dom...
3: To implement dynamic DNS it is necessary to set the maximum caching time o...
5: Dynamic DNS service is provided on a large scale by various o...
8: ===Dynamic DNS providers===
11: *[http://www.DNS4Me.com/ DNS4Me]

Dns root servers (811 bytes)
1: The [[Domain Name System|DNS]] root servers are, as of 16 November 2004:
16: ...rtant note: Never use this list to configure your dns server, it would be very easy to temporarily chan...

DNS zone transfer (249 bytes)
1: '''AXFR''' is a type of [[Domain Name System|DNS]] query used to retrieve an entire ''zone'' from ...

Alternate DNS root (4146 bytes)
1: ...NN]]), several organizations operate '''alternate DNS roots''' (often referred to as '''alt roots'''). ...
9: ...ed to the commercial failure of several alternate DNS root providers.
14: ... The ORSC root zone can be downloaded from http://dns.vrx.net/tech/rootzone/db.root
33: * [[eDNS]] (stopped in 1998??)
72: ...is is now proposed as a new TLD in ICANN-operated DNS]

Wildcard DNS record (3525 bytes)
1: A '''wildcard DNS record''' is a record in a [[DNS]] [[zone file]] that will match all requests for ...
4: ...ctions between wildcards and [[MX record]]s. All DNS servers implement wildcards differently, both fro...
6: * With [[djbdns]], in addition to checking for wildcards at the c...
7: ...s DNS server]] (if configured to do so) and [[MaraDNS]], wildcards also match all requests for empty re...
11: ...ober]] 2003, [[VeriSign]] Inc operated a wildcard DNS entry for all non-existent [[.com]] and [[.net (t...

DNS root zone (4435 bytes)
1: ...l" DNS system is by far the largest deployment of DNS in the world.
3: The combination of limits in the DNS and IP protocols means that there is a limit of t...
7: ... that are authoritative for queries to the global DNS root zone, the maximum number possible. The root ...
9: ... done by shipping the addresses of all known root DNS servers as a file with the computer operating sys...
11: ...functioning root server is known, the rest of the DNS information can be discovered recursively, and th...

Name server (373 bytes)
2: ...rvice protocol is the [[DNS|Domain Name System]] (DNS) protocol.
7: * [http://www.bind9.net/ DNS & BIND Resources]
12: [[ja:DNSサーバ]]

MaraDNS (500 bytes)
1: ...s an authoritative DNS server or as a "recursive" DNS cache. Versions up to 1.0.xx have been released ...
5: *[http://www.maradns.org/ MaraDNS homepage]
7: [[Category:DNS software]]

DNSSEC (2050 bytes)
1: ...rotocol]] networks. It is a set of extensions to DNS, which provide:
3: * origin authentication of DNS data
7: ...ct and complete) to the info on the authoritative DNS server.
9: ..., in doing so, attempts to measure to what extent DNSSEC is a useful tool in defending against these th...
11: ...oes not'' provide confidentiality of data. Also, DNSSEC ''does not'' protect against [[Denial of servi...

.example (699 bytes)
1: ...for actual use in the global [[Domain Name System|DNS]].
5: ...as related to DNS, such that conflict with global DNS can be avoided.

NSD (700 bytes)
6: ...Feb 2003; [http://www.ripe.net/ripe/mail-archives/dns-wg/2003/msg00044.html]
8: [[Category:DNS software]]

Open Root Server Confederation (390 bytes)
1: ...ed to bid on a contract to manage the main root [[DNS]] servers but alternatively [[ICANN]] was selecte...

Reverse lookup (2028 bytes)
6: ===Reverse DNS lookup===
7: ...pecifically '''reverse DNS lookups'''. Typically, DNS is used to determine what [[IP address]] is assoc...
9: ...ost name for 1.2.3.4 can be obtained by issuing a DNS query for the PTR record for that special address...
11: Reverse DNS lookup for [[IPv6]] addresses uses similarly the ...

PowerDNS (2857 bytes)
1: ...[[load balancing]]/[[failover]] [[algorithms]]. A DNS [[Recursion|recursor]] is also included as a sepa...
4: ...le one or more backends deliver [[DNS#DNS records|DNS records]] using arbitrary [[Computer storage|stor...
6: ...[Runtime]] control'' is available through the '''pdns_control''' command, which allows reloading of sep...
8: ...erver, that runs as a separate process. The main pdns server can be configured to [[Proxy server|proxy]...
11: ... following backends are included in the main PowerDNS distribution:

Norwegian Student Choral Society (721 bytes)
1: The '''Norwegian Student Choral Society''' (DnS) was founded in [[1845]]. It is the official male...
5: The DnS has during recent years ([[2003]]) gone through a...

Hierarchical name space (1676 bytes)
1: ...ame Space''' is a map of how [[Domain Name System|DNS]] [[server]]s determine what [[IP address]] to ta...
5: ... [[Whois]] directory, and may point to a specific DNS server, which translates the domain name into an ...

RFC 2182 (555 bytes)
1: ...sses the selection of [[secondary server]]s for [[DNS zone]]s. Both the [[Location|physical]] and [[Ne...

Subdomain (435 bytes)
1: ...ain]] that is part of a larger [[domain name]]. A DNS hierarchy consists of the root-level domain at th...

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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "dns".