/etc/apache2/nssdb/libnssckbi.so is in libapache2-mod-nss 1.0.14-1build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/nss/libnssckbi.so
/usr/lib/x86_64-linux-gnu/nss/libnssckbi.so