That would work for regular providers, but because I want to use a local Pihole instance, if a device doesn’t support setting different DNS servers for different networks, it would break as soon as I leave the house.
I know, but the problem is that because it’s on a local IP, as soon as I leave my Wi-Fi network, some devices will fail to resolve DNS queries because they don’t have per-network DNS options.
You can usually set up which DNS server to use in the device settings of each of your devices. is more work but fixes it.
That would work for regular providers, but because I want to use a local Pihole instance, if a device doesn’t support setting different DNS servers for different networks, it would break as soon as I leave the house.
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I know, but the problem is that because it’s on a local IP, as soon as I leave my Wi-Fi network, some devices will fail to resolve DNS queries because they don’t have per-network DNS options.
I think you can set up your pihole with a VPN for remote use too.
I just searched and found this tutorial but there should be more around:
https://blog.crankshafttech.com/2021/03/how-to-setup-pihole-pivpn-unbound.html?m=1
Alternatively, you could try to set your ISPs router into Bridge mode and use another router as the main router.