/usr/lib/x86_64-linux-gnu/libnssutil3.so.1d is in libnss3-1d 2:3.26-1+debu8u3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libnssutil3.so
/usr/lib/x86_64-linux-gnu/libnssutil3.so