pkg install daemontools
pkg install ucspi-tcp
pkg install djbdns
pw useradd dnscache -d /dev/null -s /sbin/nologin
pw useradd dnslog -d /dev/null -s /sbin/nologin

IP of the local machine on which DNS will work

dnscache-conf dnscache dnslog /etc/dnscache 192.168.150.174

Who is allowed access

touch /etc/dnscache/root/ip/192.168

mkdir /var/service
ln -s /etc/dnscache /var/service
echo 'svscan_enable="YES"' >> /etc/rc.conf
/usr/local/etc/rc.d/svscan start
svstat /var/service/dnscache
svc -t /var/service/dnscache