diff --git a/main.py b/main.py
index 87d1084..12f45c0 100644
--- a/main.py
+++ b/main.py
@@ -50,5 +50,5 @@ def read_root(
     root = xml.fromstring(response.text)
     content = [i.text for i in root[1][0][0][3]] # root/body/GetFederationInformationResponseMessage/Domains
 
-    return JSONResponse(content=content, headers={"Cache-Control": "max-age=604800, public"})
+    return JSONResponse(content=content, headers={"Access-Control-Allow-Origin": "*", "Cache-Control": "max-age=604800, public"})