diff --git a/domains/reserved/*._domainkey.is-cool.dev.json b/domains/reserved/*._domainkey.is-cool.dev.json
new file mode 100644
index 00000000..602178db
--- /dev/null
+++ b/domains/reserved/*._domainkey.is-cool.dev.json
@@ -0,0 +1,16 @@
+{
+  "$schema": "../../schemas/domain.schema.json",
+
+  "description": "DKIM record",
+
+  "domain": "is-cool.dev",
+  "subdomain": "*._domainkey",
+
+  "owner": {},
+
+  "record": {
+    "TXT": ["v=DKIM1; p="]
+  },
+
+  "proxy": false
+}
diff --git a/domains/reserved/_dmarc.is-cool.dev.json b/domains/reserved/_dmarc.is-cool.dev.json
new file mode 100644
index 00000000..41a267df
--- /dev/null
+++ b/domains/reserved/_dmarc.is-cool.dev.json
@@ -0,0 +1,14 @@
+{
+  "$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;"]
+  }
+}
diff --git a/domains/reserved/www.is-cool.dev.json b/domains/reserved/www.is-cool.dev.json
index ba91dada..46424dad 100644
--- a/domains/reserved/www.is-cool.dev.json
+++ b/domains/reserved/www.is-cool.dev.json
@@ -1,7 +1,7 @@
 {
   "$schema": "../../schemas/domain.schema.json",
 
-  "description": "Root domain",
+  "description": "www Subdomain",
 
   "domain": "is-cool.dev",
   "subdomain": "www",
@@ -11,21 +11,7 @@
   },
 
   "record": {
-    "A": [
-      "185.199.108.153",
-      "185.199.109.153",
-      "185.199.110.153",
-      "185.199.111.153"
-    ],
-
-    "AAAA": [
-      "2606:50c0:8000::153",
-      "2606:50c0:8001::153",
-      "2606:50c0:8002::153",
-      "2606:50c0:8003::153"
-    ],
-
-    "TXT": ["v=spf1 ~all"]
+    "CNAME": "is-cool.dev."
   },
 
   "proxy": false
diff --git a/domains/reserved/www.is-local.org.json b/domains/reserved/www.is-local.org.json
index 8d68c549..ba1303fe 100644
--- a/domains/reserved/www.is-local.org.json
+++ b/domains/reserved/www.is-local.org.json
@@ -11,7 +11,7 @@
   },
 
   "record": {
-    "CNAME": "open-domains.github.io."
+    "CNAME": "is-local.org."
   },
 
   "proxy": false
diff --git a/domains/reserved/www.is-not-a.dev.json b/domains/reserved/www.is-not-a.dev.json
index d0e314d8..13a008bd 100644
--- a/domains/reserved/www.is-not-a.dev.json
+++ b/domains/reserved/www.is-not-a.dev.json
@@ -11,7 +11,7 @@
   },
 
   "record": {
-    "CNAME": "open-domains.github.io."
+    "CNAME": "is-not-a.dev."
   },
 
   "proxy": false
diff --git a/domains/reserved/www.localplayer.dev.json b/domains/reserved/www.localplayer.dev.json
index 7326e850..d1ac932f 100644
--- a/domains/reserved/www.localplayer.dev.json
+++ b/domains/reserved/www.localplayer.dev.json
@@ -11,7 +11,7 @@
   },
 
   "record": {
-    "CNAME": "open-domains.github.io."
+    "CNAME": "localplayer.dev."
   },
 
   "proxy": false