Plain text instructions on setting up administration under Linux.

ADNS is a free resolver library for C (and C++) programs, released under GNU's General Public License.

Nominum provides DNS and DHCP servers and an advanced IP name and address management system.

The official list of all generic and country specific TLD's, with contact information for the corresponding sponsors and registries.

Incognito Software Inc. develops DNS management tools for the enterprise and service provider markets. Offers secure, scalable, and fault-tolerant DNS management software.

Offers a diagnostic utility for DNS administrators, and QuickDNS Pro, a DNS server for the Mac.

A free module for Perl for resolving DNS queries.

An overview on how DNS works and tutorials for installing and configuring DNS servers on Linux and Microsoft Servers.

Develops and markets virtualization-ready, secure DNS and IP addressing solutions distributed as software appliances.

How to put your latitude and longitude into your DNS configuration, plus some nifty extras, like maps.