Cannot mount Openhabian shares anymore since Pi Hole install

[deHakkelaar]

That looks better.
To validate the clients wil get just one DNS server assigned (the Pi-hole address), you can test with nmap:

Pi-hole working with OpenVPN but not working without it

If have doubts about settings being pushed by router to clients, try install nmap on Pi-hole: sudo apt install nmap And do a dhcp-discovery against the router that does DHCP for your clients with below one: sudo nmap -sU -p67 --script dhcp-discover <ROUTER_IP_ADDRESS> Example with 10.0.0.2 doing DHCP for my network: xbian@avr ~ $ sudo nmap -sU -p67 --script dhcp-discover 10.0.0.2 Starting Nmap 7.40 ( https://nmap.org ) at 2019-02-21 06:31 CET Nmap scan report for noads.dehakkelaar.nl (10.0…

EDIT: ow and when push via DHCP, better default below setting again or you'll risk a DNS loop:

@Feu77

I put it in DNS server sheet in the internet access register from my Fritzbox.