diff --git a/lib/domains/stoplist.txt b/lib/domains/stoplist.txt
index e773049869..85c73667b2 100644
--- a/lib/domains/stoplist.txt
+++ b/lib/domains/stoplist.txt
@@ -816,4 +816,5 @@ qdul.ch
 ovan.in
 uoen.in
 dakahliya3.moe.edu.eg
-mku.ac.ke
\ No newline at end of file
+mku.ac.ke
+stringtheoryschools.org
\ No newline at end of file
diff --git a/lib/domains/tlds.txt b/lib/domains/tlds.txt
index 9ef6281c9a..6a3fc968bf 100644
--- a/lib/domains/tlds.txt
+++ b/lib/domains/tlds.txt
@@ -3,7 +3,6 @@ ac.gg
 ac.gn
 ac.il
 ac.in
-ac.jp
 ac.me
 ac.ni
 ac.om