nsd

USE flags

• bind8-stats - Enables BIND8 like NSTATS and XSTATS and statistics in nsd-control
• debug - Enable extra debug codepaths, like asserts and extra output. If you want to get meaningful backtraces see https://wiki.gentoo.org/wiki/Project:Quality_Assurance/Backtraces
• dnstap - Enable the structured binary log format
• libevent - Use libevent or libev, useful when zone count is high
• minimal-responses - If minimal responses are disabled, responses are more likely to get truncated, resulting in TCP fallback
• mmap - Add mmap (memory map) support
• munin - Install a plugin for net-analyzer/munin to graph statistical data from nsd
• nsec3 - Enable NSEC3 support
• ratelimit - Enables ratelimiting, based on query name, type and source
• ssl - Add support for SSL/TLS connections (Secure Socket Layer / Transport Layer Security)
• systemd - Enable use of systemd-specific libraries and features like socket activation or session tracking

Security Advisory