named(8) on Linux
The text a85e07701cba, as Debian 12 (Bookworm) shipped it.
Internet domain name server
Flags it lists
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-4 -
-6 -
-C -
-D -
-E -
-L -
-M -
-S -
-U -
-V -
-X -
-c -
-d -
-f -
-g -
-m -
-n -
-p -
-s -
-t -
-u -
-v