parsero(1) on Linux
The text c353d571a7bd, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye) shipped it. The page shows this text now.
Audit tool for robots.txt of a site
Flags it lists
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--help -
-f -
-h -
-o -
-sb -
-u