self-hosted/local-dns-docker
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initial commit for docker dnsmasq and tailscale

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Guy Resheff
2025-03-27 22:30:52 -07:00
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README.md
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# local-dns-docker
https://www.reddit.com/r/Tailscale/comments/1dql8a6/use_the_same_domain_name_on_home_network_and_on/
What everybody has already said, but also use the tailnet IP of your DNS server as a global nameserver. I'll post my working steps:
* Create a subnet router on your DNS host.
1. On the DNS host you need to set --accept-dns=false
2. advertise routes
3. https://tailscale.com/kb/1019/subnets
sudo tailscale up --accept-dns=false --advertise-routes=192.168.x.x/x
* In tailscale Machines edit new host and allow new route(s)
* In tailscale DNS, create a global namerserver:
1. set it to the tailnet IP of your DNS server
2. you can set split DNS here or you can just use your DNS for everything
3. if u have android clients, check the slider to ignore local DNS
* (optional) do the Linux enhancements mentioned on https://tailscale.com/kb/1019/subnets
https://tailscale.com/kb/1019/subnets?tab=linux#connect-to-tailscale-as-a-subnet-router
There is also a procedure to initially register the device with Tailscale server before this whole thing can work. Maybe I will document later. Not necessary as long as using the credentials in /DATA/AppData/tailscale/ so don't delete them.