diff --git a/lib/domains/stoplist.txt b/lib/domains/stoplist.txt
index af670c8653..b79fab67d7 100644
--- a/lib/domains/stoplist.txt
+++ b/lib/domains/stoplist.txt
@@ -472,4 +472,5 @@ normaljujuy.edu.ar
 posgrado.unp.edu.pe
 presbiteriano.g12.br
 psu.palawan.edu.ph
-kellerisd.com
\ No newline at end of file
+kellerisd.com
+office.knu.ac.kr
\ No newline at end of file