Simple dns server

A simple dns server with exact, suffix and regex rules.

The server parses matched domains to any ip addresses or the server running sdns with rule value self, and forwards unmatched ones to other dns servers.

Rules will be checked with order: exact => suffix => regex.

Install

go get -u github.com/kkeybbs/sdns

If you want to build for linux on windows.

set GOOS=linux
set GOARCH=amd64
set GOPATH=%cd%\gopath
go get -v github.com/kkeybbs/sdns
go build -ldflags="-s -w" github.com/kkeybbs/sdns

Install as linux systemd service

# put compiled sdns to /data/sdns, or edit the sdns.service to use another path.
mkdir -p /data/sdns
cp sdns /data/sdns

cp sdns.service /usr/lib/systemd/system/sdns.service
systemctl daemon-reload
systemctl enable --now sdns

Config

You can find a demo here: sdns.yaml

Run

# start a dns server, both udp and tcp port will be listened.
./sdns -c sdns.yaml

# test rules in sdns.yaml
./sdns -t github.com