sdns

README

SDNS

Lightweight, fast recursive dns server with dnssec support

Based on kenshinx/godns, looterz/grimd

Installation

$ go get github.com/semihalev/sdns

or

download

Building

$ go build

Testing

$ go test -v

Flags

Flag	Desc
config	Location of the config file, if not found it will be generated

Server Configuration Checklist

• Increase file descriptor on your server

Features

• Linux/BSD/Darwin supported
• DNS RFC compatibility
• Concurrent DNS lookups within listed servers
• DNS caching
• DNSSEC validation
• DNS over TLS support
• DNS over HTTPS support
• RTT priority within listed servers
• Basic IPv6 support (client<->server)
• Query based ratelimit
• Access list
• Black-hole internet advertisements and malware servers
• HTTP API support
• Outbound IP selection

TODO

• More tests
• Try lookup NS address better way
• DNS over TLS support
• DNS over HTTPS support
• Full DNSSEC support
• RTT optimization
• Access list
• Full IPv6 support (server<->server communication)
• Client based ratelimit

Made With

• miekg/dns - Alternative (more granular) approach to a DNS library