/usr/share/man/man1/cpan2dsc.1p.gz is in dh-make-perl 0.99.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man1/dh-make-perl.1p.gz
/usr/share/man/man1/dh-make-perl.1p.gz