====== Posadis DNS server ======

Posadis is a powerful DNS server, supporting both [[dns:authoritative DNS]] and [[dns:caching]] functionality, which is available for many different operating systems, including Mac OS X, Windows, and many Unix variants such as Linux and FreeBSD.

For documentation on the 0.60.* series, see [[:Documentation]]. For documentation on the new 0.70.* series, see the [[posadis:index]]. For downloads, see the [[Download]] page.

===== Main features and benefits =====
^Feature 	^Benefit^
|Caching and forwarding 	|Speed up the process of looking up domain names on your local network or PC|
|Primary DNS 	|Serve lookup information for internet or local network domain names|
|Secondary DNS 	|Run multiple servers without the need to edit the zone data at multiple places|
|Monitoring of zone files 	|Changes in your zone configuration files are directly handled by the server|
|DNS Notify support 	|Changes in the primary are directly reported to secondary DNS servers|
|DNS Update support (new in 0.70) 	|Easily edit your zones from different programs or different PC's|
|Command-line tools 	|Perform simple operations such as testing and updating zone data|

===== Uses of Posadis =====

Posadis is useful in the following situations (see the [[dns:DNS overview]] for more information):

  * You have a local network, and you want to assign domain names to IP numbers locally
  * You want to speed up the resolving of domain names for your local network of PC
  * You have an internet domain name and you want to hosts its DNS records
  * You already run a DNS server for your domain name and you want to add more servers for robustness