Merge pull request #19617 from gcjbr/main

Add gc.is-a.dev domain

domains/gc.json

@@ -0,0 +1,10 @@
+{
+  "description": "gc.is-a.dev",
+  "owner": {
+    "username": "gcjbr",
+    "email": "gcaetanoj@gmail.com"
+  },
+  "record": {
+    "URL": "https://gcj.io"
+  }
+}