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Authoritative DNS Server --
C Perl Perl6 DIGITAL Command Language M4 Ragel in Ruby Host Other
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README.md

Build Status Coverity Scan Build Status Coverage Status

Overview

gdnsd is an Authoritative-only DNS server. The initial g stands for Geographic, as gdnsd offers a plugin system for geographic (or other sorts of) balancing, redirection, and service-state-conscious failover. The plugin system can also do things like weighted address/cname records. If you don't care about these features you can ignore them :).

gdnsd is written in C using libev and pthreads with a focus on high performance, low latency service. It does not offer any form of caching or recursive service, and does not support DNSSEC. There's a strong focus on making the code efficient, lean, and resilient. The code has a decent regression testsuite with full branch coverage on the core packet parsing and generation code, and some scripted QA tools for e.g. valgrind validation, clang-analyzer, etc.

The geographically-aware features also support the emerging EDNS Client Subnet draft ( https://datatracker.ietf.org/doc/draft-vandergaast-edns-client-subnet/ , http://afasterinternet.com ) for receiving more-precise network location information from intermediate shared caches.

Resources

Project site: http://gdnsd.org/

Release downloads: https://github.com/gdnsd/gdnsd/releases/

The code is hosted at Github: https://github.com/gdnsd/gdnsd/

Bug reports: https://github.com/gdnsd/gdnsd/issues

Wikified docs: https://github.com/gdnsd/gdnsd/wiki

Google Group for discussion: https://groups.google.com/forum/#!forum/gdnsd

See the INSTALL file for details on prerequisites and build procedure for working from the source tree or a source tarball.

The documentation is included in the source tree in POD format and installed as manpages and textfiles on installation.

COPYRIGHT AND LICENSING

gdnsd is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

gdnsd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with gdnsd. If not, see http://www.gnu.org/licenses/.

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