diff --git a/README.md b/README.md
index 77fc4df..8e25602 100644
--- a/README.md
+++ b/README.md
@@ -58,7 +58,7 @@ Please select a method below to show instructions on how to register a domain.
   <br>
 
   1. **Star** and **[Fork](https://github.com/free-domains/register/fork)** this repository
-  2. Add a new file called `example.domain.com.json` in the `/domains` folder to register the `example` subdomain on the `domain.com`.
+  2. Add a new file called `example.domain.dev.json` in the `/domains` folder to register the `example` subdomain on the `domain.dev`.
     - An list of available domains can be found [here](#domains).
   3. Edit it to meet your needs.
     - The file listed below is just an **example**, provide a **valid** JSON file with your needs.
@@ -68,7 +68,7 @@ Please select a method below to show instructions on how to register a domain.
   {
       "$schema": "../schemas/domain.json",
 
-      "domain": "is-a-frontend.dev",
+      "domain": "is-a-fullstack.dev",
       "subdomain": "example",
 
       "owner": {
@@ -107,6 +107,7 @@ Please select a method below to show instructions on how to register a domain.
 |:-:|
 | [`is-a-backend.dev`](https://is-a-backend.dev) |
 | [`is-a-frontend.dev`](https://is-a-frontend.dev) |
+| [`is-a-fullstack.dev`](https://is-a-fullstack.dev) |
 
 ### Settings
 
diff --git a/domains/reserved/*.is-a-backend.dev.json b/domains/reserved/*.is-a-backend.dev.json
index 223f2f7..52d72d2 100644
--- a/domains/reserved/*.is-a-backend.dev.json
+++ b/domains/reserved/*.is-a-backend.dev.json
@@ -9,4 +9,4 @@
     },
 
     "proxied": false
-}
\ No newline at end of file
+}
diff --git a/domains/reserved/*.is-a-frontend.dev.json b/domains/reserved/*.is-a-frontend.dev.json
index 11d1341..adee7c4 100644
--- a/domains/reserved/*.is-a-frontend.dev.json
+++ b/domains/reserved/*.is-a-frontend.dev.json
@@ -9,4 +9,4 @@
     },
 
     "proxied": false
-}
\ No newline at end of file
+}
diff --git a/domains/reserved/is-a-fullstack.dev.json b/domains/reserved/is-a-fullstack.dev.json
new file mode 100644
index 0000000..56472e6
--- /dev/null
+++ b/domains/reserved/is-a-fullstack.dev.json
@@ -0,0 +1,46 @@
+{
+    "$schema": "../../schemas/reserved-domain.json",
+
+    "domain": "is-a-fullstack.dev",
+    "subdomain": "@",
+
+    "records": {
+        "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": [
+            {
+                "name": "*._domainkey",
+                "value": "v=DKIM1; p="
+            },
+
+            {
+                "name": "_dmarc",
+                "value": "v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;"
+            },
+
+            {
+                "name": "_github-pages-challenge-free-domains",
+                "value": "7c931afdc16843f326d02a669f3705"
+            },
+
+            {
+                "name": "@",
+                "value": "v=spf1 -all"
+            }
+        ]
+    },
+
+    "proxied": false
+}
diff --git a/domains/reserved/www.is-a-backend.dev.json b/domains/reserved/www.is-a-backend.dev.json
index 0e33806..5ab2650 100644
--- a/domains/reserved/www.is-a-backend.dev.json
+++ b/domains/reserved/www.is-a-backend.dev.json
@@ -9,4 +9,4 @@
     },
 
     "proxied": false
-}
\ No newline at end of file
+}
diff --git a/domains/reserved/www.is-a-frontend.dev.json b/domains/reserved/www.is-a-frontend.dev.json
index f8f6a3a..3452139 100644
--- a/domains/reserved/www.is-a-frontend.dev.json
+++ b/domains/reserved/www.is-a-frontend.dev.json
@@ -9,4 +9,4 @@
     },
 
     "proxied": false
-}
\ No newline at end of file
+}
diff --git a/domains/reserved/www.is-a-fullstack.dev.json b/domains/reserved/www.is-a-fullstack.dev.json
new file mode 100644
index 0000000..5159522
--- /dev/null
+++ b/domains/reserved/www.is-a-fullstack.dev.json
@@ -0,0 +1,12 @@
+{
+    "$schema": "../../schemas/reserved-domain.json",
+
+    "domain": "is-a-fullstack.dev",
+    "subdomain": "www",
+
+    "records": {
+        "CNAME": "is-a-fullstack.dev"
+    },
+
+    "proxied": false
+}
diff --git a/schemas/domain.json b/schemas/domain.json
index cc036b4..a4d2f8e 100644
--- a/schemas/domain.json
+++ b/schemas/domain.json
@@ -9,7 +9,7 @@
         },
         "domain": {
             "type": "string",
-            "enum": ["is-a-backend.dev", "is-a-frontend.dev"]
+            "enum": ["is-a-backend.dev", "is-a-frontend.dev", "is-a-fullstack.dev"]
         },
         "subdomain": {
             "type": "string",
diff --git a/schemas/reserved-domain.json b/schemas/reserved-domain.json
index 148b1b5..321900c 100644
--- a/schemas/reserved-domain.json
+++ b/schemas/reserved-domain.json
@@ -9,7 +9,7 @@
         },
         "domain": {
             "type": "string",
-            "enum": ["is-a-backend.dev", "is-a-frontend.dev"]
+            "enum": ["is-a-backend.dev", "is-a-frontend.dev", "is-a-fullstack.dev"]
         },
         "subdomain": {
             "type": "string",