diff --git a/domains/ljx.is-cool.dev.json b/domains/ljx.is-cool.dev.json
new file mode 100644
index 00000000..4b6913bf
--- /dev/null
+++ b/domains/ljx.is-cool.dev.json
@@ -0,0 +1,17 @@
+{
+    "description": "github pages and email",
+    "domain": "is-cool.dev",
+    "subdomain": "ljx",
+
+    "owner": {
+        "email": "ljx20110119@qq.com"
+    },
+
+    "record": {
+        "A": ["185.199.108.153", "185.199.109.153", "185.199.110.153", "185.199.111.153"],
+        "MX": ["mx1.improvmx.com", "mx2.improvmx.com"],
+        "TXT": ["v=spf1 include:spf.improvmx.com ~all"]
+    },
+
+    "proxied": false
+}