diff --git a/dns.sh b/dns.sh
index c68362d..da452e8 100755
--- a/dns.sh
+++ b/dns.sh
@@ -33,4 +33,4 @@ zju_test_and_set_up_dns \
     10.10.0.21 10.10.0.22 10.10.0.23 \
     10.12.10.12 \
     10.202.68.43 \
-    223.5.5.5 223.6.6.6 
+    114.114.114.114