diff --git a/Direct.list b/Direct.list
index 79d3b909..04d5f7a7 100644
--- a/Direct.list
+++ b/Direct.list
@@ -528,6 +528,11 @@ DOMAIN-SUFFIX,sspai.com
 DOMAIN-SUFFIX,startssl.com
 DOMAIN-SUFFIX,suning.com
 DOMAIN-SUFFIX,synology.com
+DOMAIN-SUFFIX,checkip.synology.com
+DOMAIN-SUFFIX,checkipv6.synology.com
+DOMAIN-SUFFIX,checkport.synology.com
+DOMAIN-SUFFIX,ddns.synology.com
+DOMAIN-SUFFIX,account.synology.com
 DOMAIN-SUFFIX,taihe.com
 DOMAIN-SUFFIX,th-sjy.com
 DOMAIN-SUFFIX,tianqi.com