diff --git a/domains/*.sssstf0rest.is-cool.dev.json b/domains/*.sssstf0rest.is-cool.dev.json
new file mode 100644
index 00000000..cbb77bf2
--- /dev/null
+++ b/domains/*.sssstf0rest.is-cool.dev.json
@@ -0,0 +1,15 @@
+{
+    "description": "Used for my own website hosted by a Raspberry Pi 5.",
+    "domain": "is-cool.dev",
+    "subdomain": "*.sssstf0rest",
+    "owner": {
+        "repo": "https://github.com/sssstf0rest",
+        "email": "haoshen0226@gmail.com"
+    },
+    "record": {
+        "A": [
+            "100.78.4.87"
+        ]
+    },
+    "proxied": false
+}