diff --git a/lists/public-dns-v4/list.json b/lists/public-dns-v4/list.json
index b516e87..549ae51 100644
--- a/lists/public-dns-v4/list.json
+++ b/lists/public-dns-v4/list.json
@@ -896,6 +896,7 @@
     "89.236.217.93",
     "89.29.128.250",
     "9.9.9.10",
+    "9.9.9.9",
     "90.183.151.106",
     "90.183.151.107",
     "90.188.10.193",