From this post:
Whats output of below command ?
pi@noads:~ $ grep -v '^#' /etc/dnsmasq.d/01-pihole.conf | strings
addn-hosts=/etc/pihole/gravity.list
addn-hosts=/etc/pihole/local.list
domain-needed
localise-queries
bogus-priv
no-resolv
server=10.0.0.1
server=192.168.1.1
interface=eth0
cache-size=10000
log-queries
log-facility=/var/log/pihole.log
local-ttl=300
log-async