ldns-compare-zones(1) on Linux
The text f2df4b42e46d, as Debian 13 (Trixie), Debian 12 (Bookworm) shipped it.
read and compare two zonefiles and print differences
Flags it lists
-
-U -
-a -
-c -
-d -
-e -
-h -
-i -
-s -
-u -
-v -
-z