/usr/share/man/man3/ares_get_servers_ports.3.gz is in libc-ares-dev 1.12.0-1+deb9u1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man3/ares_get_servers.3.gz
/usr/share/man/man3/ares_get_servers.3.gz