diff --git a/public_suffix_list.dat b/public_suffix_list.dat
index 6b0f1e7df..0edf86a33 100644
--- a/public_suffix_list.dat
+++ b/public_suffix_list.dat
@@ -5972,6 +5972,7 @@ police.uk
 us
 dni.us
 isa.us
+nsn.us
 // Geographic Names
 ak.us
 al.us