dnsfilter(1) on Linux
The text 2f2b9248376b, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 5.0 (Lenny) shipped it. The page shows this text now.
reverse-resolves IP addresses, converting them to host names.
Flags it lists
-
-c -
-l