host(1) on FreeBSD
The text 6296835a2a06, as FreeBSD 10.4-RELEASE, FreeBSD 10.3-RELEASE, FreeBSD 10.2-RELEASE, FreeBSD 10.1-RELEASE, FreeBSD 10.0-RELEASE shipped it.
DNS lookup utility
Flags it lists
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-C -
-N -
-R -
-T -
-W -
-a -
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-d -
-i -
-l -
-r -
-s -
-t -
-v -
-w