query-loc(1) on macOS
The text 10a6905b2c91, as Mac OS X 10.5.6, Mac OS X 10.5.5, Mac OS X 10.5.4, Mac OS X 10.5.3, Mac OS X 10.5.2, Mac OS X 10.5.1, Mac OS X 10.5 shipped it.
to retrieve and display the location information in the DNS
Flags it lists
-
-d -
-v