diff --git a/domains/TdoubleT.is-a-fullstack.json b/domains/TdoubleT.is-a-fullstack.json
index 2f1551c1..6aa78ddb 100644
--- a/domains/TdoubleT.is-a-fullstack.json
+++ b/domains/TdoubleT.is-a-fullstack.json
@@ -1,13 +1,13 @@
 {
     "domain": "is-a-fullstack.dev",
-    "subdomain": "x",
+    "subdomain": "tuanthu",
 
     "owner": {
         "email": "hoangtuanthu981@gmail.com"
     },
 
     "record": {
-        "CNAME": "https://tuanthu1.github.io/tuanthu2/"
+        "CNAME": "tuanthu1.github.io/tuanthu2/"
     },
 
     "proxied": false