Merge pull request #27844 from extinctsion/extinctsion

Add extinctsion.is-a.dev to the domains directory

domains/extinctsion.json

@@ -0,0 +1,8 @@
+{
+    "owner": {
+        "username": "extinctsion"
+    },
+    "records": {
+        "A": ["75.2.60.5"]
+    }
+}