From 20b356e2993fd476e225bcf58965bbdb3e784169 Mon Sep 17 00:00:00 2001
From: Claude <noreply@anthropic.com>
Date: Sun, 24 May 2026 14:03:56 +0000
Subject: [PATCH] fix: redirect mta-sts subdomain root to dmarc.mx instead of
 404

Replaces the catch-all 404 in mta-sts-worker with a 301 redirect to
https://dmarc.mx/ so Googlebot stops recording it as a not-found URL.
The /.well-known/mta-sts.txt path is unaffected.

Closes #363

https://claude.ai/code/session_01LwHpGrjYRwBmyoMR51JAXM
---
 mta-sts-worker/src/index.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mta-sts-worker/src/index.ts b/mta-sts-worker/src/index.ts
index ac3d65d..e8573f6 100644
--- a/mta-sts-worker/src/index.ts
+++ b/mta-sts-worker/src/index.ts
@@ -20,6 +20,6 @@ export default {
       });
     }
 
-    return new Response("Not found", { status: 404 });
+    return Response.redirect("https://dmarc.mx/", 301);
   },
 };