diff --git a/domains/reserved/_dmarc.is-cool.dev.json b/domains/reserved/_dmarc.is-cool.dev.json
new file mode 100644
index 00000000..41a267df
--- /dev/null
+++ b/domains/reserved/_dmarc.is-cool.dev.json
@@ -0,0 +1,14 @@
+{
+  "$schema": "../../schemas/domain.schema.json",
+
+  "description": "DMARC record",
+
+  "domain": "is-cool.dev",
+  "subdomain": "_dmarc",
+
+  "owner": {},
+
+  "record": {
+    "TXT": ["v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;"]
+  }
+}