/usr/share/base-files/nsswitch.conf.md5sums is in base-files 8+deb8u11.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 | 109e33e2c91d1853b5bc56078a96aa18 3.0.0 to 3.1.15
3114ea9cf2f3bd8d120b4da96e3832d5 3.1.8 and 3.1.9
295c15c4bdac80e50b37689ef08f359c 3.1.16 to 7.2
30b82cb1ce20d480703da2208a4607b4 6.6
f8e97bf611374634c7cb3a6085503ab5 7.3
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