/usr/share/man/man5/defaultdomain.5.gz

This file is indexed.

/usr/share/man/man5/defaultdomain.5.gz is in nullmailer 1:1.05-1.

This file is owned by root:root, with mode 0o777.

It is a symlink to /usr/share/man/man5/../man1/nullmailer-inject.1.gz