diff --git a/dnsconfig.js b/dnsconfig.js
index 43ea99aa6..2c80fcee4 100644
--- a/dnsconfig.js
+++ b/dnsconfig.js
@@ -140,11 +140,6 @@ for (var subdomain in domains) {
     if (domainData.record.URL) {
         records.push(A(subdomainName, IP("192.0.2.1"), CF_PROXY_ON));
     }
-
-    // Handle reserved domains
-    if (domainData.reserved) {
-        records.push(TXT(subdomainName, "\"" + "RESERVED" + "\""));
-    }
 }
 
 var options = {
diff --git a/domains/m.json b/domains/m.json
deleted file mode 100644
index 1570b3e57..000000000
--- a/domains/m.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  "owner": {
-    "username": "is-a-dev",
-    "email": "admin@is-a.dev"
-  },
-  "record": {},
-  "reserved": true
-}
diff --git a/domains/maintainers.json b/domains/maintainers.json
deleted file mode 100644
index 1570b3e57..000000000
--- a/domains/maintainers.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  "owner": {
-    "username": "is-a-dev",
-    "email": "admin@is-a.dev"
-  },
-  "record": {},
-  "reserved": true
-}
diff --git a/domains/nic.json b/domains/nic.json
deleted file mode 100644
index 1570b3e57..000000000
--- a/domains/nic.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  "owner": {
-    "username": "is-a-dev",
-    "email": "admin@is-a.dev"
-  },
-  "record": {},
-  "reserved": true
-}
diff --git a/domains/whois.json b/domains/whois.json
deleted file mode 100644
index 1570b3e57..000000000
--- a/domains/whois.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  "owner": {
-    "username": "is-a-dev",
-    "email": "admin@is-a.dev"
-  },
-  "record": {},
-  "reserved": true
-}
diff --git a/util/reserved-domains.json b/util/reserved-domains.json
new file mode 100644
index 000000000..b31dab44d
--- /dev/null
+++ b/util/reserved-domains.json
@@ -0,0 +1,22 @@
+[
+    "api",
+    "dns",
+    "example",
+    "m",
+    "mail",
+    "maintainer",
+    "maintainers",
+    "nic",
+    "noc",
+    "notification",
+    "notifications",
+    "notify",
+    "ns",
+    "ns[1-9]",
+    "redirect",
+    "registry",
+    "url",
+    "whois",
+    "www[1-9]",
+    "wwww"
+]