PR-DNSd - Passive-Recursive DNS Daemon

Passive-Recursive DNS daemon.

Quickstart

nameserver 127.0.0.1 | sudo tee /etc/resolv.conf dig google.com dig -x $(dig +short google.com)">

go get github.com/korc/PR-DNSd
sudo setcap cap_net_bind_service,cap_sys_chroot=ep go/bin/PR-DNSd
go/bin/PR-DNSd -upstream 9.9.9.9:53 -listen 127.0.0.1:53
echo nameserver 127.0.0.1 | sudo tee /etc/resolv.conf
dig google.com
dig -x $(dig +short google.com)

If you can't use setcap, you have to use -chroot "" and -listen :<high_port> options, or run as root.

Use cases

• run as local host DNS service, to fix your netstat/tcpview/lsof etc. output
• as enterprise-internal DNS server, …

daemon directory dns listener nameserver protection server tls