dnsscope(1) on Linux
The text c11d085f3a79, as Debian 9 (Stretch) shipped it.
A PowerDNS nameserver debugging tool
Flags it lists
-
--help -
--ipv4 -
--ipv6 -
--load-stats -
--rd -
--servfail-tree -
--verbose -
--write-failures -
-h -
-l -
-v -
-w