diff --git a/not_cloudflare/domains/README.md b/not_cloudflare/domains/README.md
index 2fb278ff..4bb32ff1 100644
--- a/not_cloudflare/domains/README.md
+++ b/not_cloudflare/domains/README.md
@@ -33,3 +33,11 @@
 
 [//]: # (end; table)
 
+
+-----
+
+# Hostility against Tor (Tor Browser)
+
+- Combined result of _Anti-Tor users_ and _CDN users_.
+- We cannot provide Z1/Z5 result due to memory limit.
+- Cloudflare made an exception to Tor Browser. You will be blocked by Cloudflare if you use other browser with Tor.