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 dnsfilter@.service to /etc/systemd/system/dnsfilter@.service and edit as appripriate. then
$ systemctl start dnsfilter@<IP-OR-INTERFACE-NAME>.service