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gdnsd - Authoritative-only DNS server with failover support
- Description:
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, and uses pthreads with libev and liburcu to attain very
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 EDNS Client Subnet spec from
RFC 7871 for receiving more-precise network location information from
intermediate shared caches.
Packages