Simple DNS server with possibility to

• forward requests to upstream server and post-process results
• Resolve name to ipv4/ipv6 from local database (in addition to forwarded results)
• Filter IPv4 or IPv6 addresses from results.
• bind to interface

copy provided [email protected] to /etc/systemd/system/[email protected] and edit as appripriate. then

$ systemctl start dnsfilter@<IP-OR-INTERFACE-NAME>.service