/usr/ is in pdns-backend-pgsql 3.4.1-4+deb8u8.
This file is owned by root:root, with mode 0o755.
..
/usr/share/lintian/overrides/
/usr/share/
/usr/share/lintian/
/usr/share/lintian/overrides/pdns-backend-pgsql
/usr/share/doc/
/usr/share/doc/pdns-backend-pgsql/
/usr/share/doc/pdns-backend-pgsql/changelog.Debian.gz
/usr/share/doc/pdns-backend-pgsql/NEWS.Debian.gz
/usr/share/doc/pdns-backend-pgsql/copyright
/usr/share/doc/pdns-backend-pgsql/README.Debian
/usr/share/doc/pdns-backend-pgsql/schema.pgsql.sql
/usr/share/doc/pdns-backend-pgsql/nodnssec-3.x_to_3.4.0_schema.pgsql.sql
/usr/share/doc/pdns-backend-pgsql/dnssec-3.x_to_3.4.0_schema.pgsql.sql
/usr/share/pdns-backend-pgsql/
/usr/share/pdns-backend-pgsql/pdns.local.gpgsql.conf
/usr/share/dbconfig-common/
/usr/share/dbconfig-common/data/
/usr/share/dbconfig-common/data/pdns-backend-pgsql/
/usr/share/dbconfig-common/data/pdns-backend-pgsql/upgrade/
/usr/share/dbconfig-common/data/pdns-backend-pgsql/upgrade/pgsql/
/usr/share/dbconfig-common/data/pdns-backend-pgsql/upgrade/pgsql/3.4.0
/usr/share/dbconfig-common/data/pdns-backend-pgsql/upgrade/pgsql/3.3.1-4
/usr/share/dbconfig-common/data/pdns-backend-pgsql/upgrade/pgsql/3.3-1
/usr/share/dbconfig-common/data/pdns-backend-pgsql/upgrade/pgsql/3.0-1
/usr/share/dbconfig-common/data/pdns-backend-pgsql/install/
/usr/share/dbconfig-common/data/pdns-backend-pgsql/install/pgsql
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pdns/
/usr/lib/x86_64-linux-gnu/pdns/libgpgsqlbackend.so