diff --git a/lib/domains/mx/edu/cetis47.txt b/lib/domains/mx/edu/cetis47.txt
new file mode 100644
index 0000000000..d8f7c12f7c
--- /dev/null
+++ b/lib/domains/mx/edu/cetis47.txt
@@ -0,0 +1 @@
+CETIS 47
\ No newline at end of file