Caddy: keep plex.franksdank.casa HTTP-only (not in the Porkbun account)

dankclaw/Caddyfile

@@ -118,7 +118,11 @@ loki.franksdank.cloud {
 # ═══════════════════════════════════════════════════════════════
 
 # --- Plex (existing, kept) ---
-plex.franksdank.casa {
+# http:// on purpose: franksdank.casa is not hosted in the same Porkbun
+# account as franksdank.cloud, so the DNS-01 provider cannot issue a
+# Let's Encrypt cert for it. It stays plain-HTTP legacy; the canonical
+# name is plex.franksdank.cloud (HTTPS, below).
+http://plex.franksdank.casa {
 	reverse_proxy 192.168.0.235:32400
 }