dnsperf(1) on Linux
The text 05d69b7d2678, as Debian 12 (Bookworm) shipped it.
test the performance of a DNS server
Flags it lists
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-E -
-O -
-Q -
-S -
-T -
-a -
-b -
-c -
-d -
-f -
-l -
-m -
-n -
-p -
-q -
-s -
-t -
-x -
-y