diff --git a/domains/sea-shell.jj.json b/domains/sea-shell.jj.json
index c2cf1087e..b83d36489 100644
--- a/domains/sea-shell.jj.json
+++ b/domains/sea-shell.jj.json
@@ -6,6 +6,6 @@
     "email": "jj@jj.is-a.dev"
   },
   "record": {
-    "A": ["35.230.85.45"]
+    "CNAME": "site-production-be0d.up.railway.app"
   }
 }
diff --git a/domains/terminal.sea-shells.jj.json b/domains/terminal.sea-shells.jj.json
index a073f043d..b260aa518 100644
--- a/domains/terminal.sea-shells.jj.json
+++ b/domains/terminal.sea-shells.jj.json
@@ -6,6 +6,6 @@
     "email": "jj@jj.is-a.dev"
   },
   "record": {
-    "A": ["35.230.85.45"]
+    "CNAME": "online-terminal-production.up.railway.app"
   }
 }