Openmediavault, Pihole and abig problem about dns

i've installed Openmedia vault, Pihole but now the server dns doesn't eork in raspian. i've tried everything. I modified dhcp.conf with dns nut nothing. Can you help me?

the raspberry does,'t resolve adresses. Pihole , Openmiavault work...but dns are a trouble...

This is my dhcpcd.conf:

interface eth0

static ip_address=192.168.1.111/24

static routers=192.168.1.1

static domain_name_servers=1.1.1.1 1.0.0.1

static domain_search=local

I've no idea anymore