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Since today, my Android devices do not resolve local DNS names via my local PiHole.
In the Settings/Network/Advanced Settings, "Private DNS" was enabled.

Disabled and, Firefox/Network utilities/Ping Tools can still not resolve "plex.lan" (Plex server) or "licht.lan" (Zigbee Gateway) or any other internal domain.

Even with static IP settings, nothing works.

Any clue where I can tell Android "Use the DNS server announced from DHCP"?

The problem occurs on all my android devices simultaneous.
No problem on my Laptop or Workstation.

Wifi Settings Ping Tools with custom DNS set Ping Tools with "default" DNS server
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Note: The Ping Tool/DNS Checker test with the "default" server was done, when a static IP was configured, so there should be used the LAN internal DNS Server, but it clearly must use something else.

Using Wireguard as a tunnel into my network works. But that can't be the solution when I'm already connected to my LAN.


EDIT: The problem was not my Phones/Tablets, but my router that enabled IPv6 automatically and used the DNS Server from my Provider via IPv6

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  • Hi Marc, the way this site works, you put our solution in the answer box. Commented Mar 13 at 14:15
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    @RohitGupta The reason why i did not do this, is because the question as it is, is still unresolved. It doesnt matter if IPv6 or IPv4, i dont want that my android phone/tablet use any other DNS beside the on in my LAN. Commented Mar 14 at 11:37

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