lwresd(8) on macOS
The text 7333623953d8, as Mac OS X 10.5.8, Mac OS X 10.5.7 shipped it.
lightweight resolver daemon
Flags it lists
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-4 -
-6 -
-C -
-P -
-c -
-d -
-f -
-g -
-i -
-m -
-n -
-p -
-s -
-t -
-u -
-v