diff --git a/lxc1/p1-ingress/traefik.yml b/lxc1/p1-ingress/traefik.yml
index 5079397..a0dd2e3 100644
--- a/lxc1/p1-ingress/traefik.yml
+++ b/lxc1/p1-ingress/traefik.yml
@@ -34,6 +34,14 @@ services:
       - "--certificatesresolvers.http_resolver.acme.httpchallenge.entrypoint=web"
       - "--certificatesresolvers.http_resolver.acme.storage=/letsencrypt/acme.json"
       - "--certificatesresolvers.http_resolver.acme.email=${ACME_EMAIL}"
+      ## mysresolver resolver for old configs
+      - "--certificatesresolvers.mysresolver.acme.dnschallenge=true"
+      - "--certificatesresolvers.mysresolver.acme.dnschallenge.provider=desec"
+      - "--certificatesresolvers.mysresolver.acme.dnschallenge.delaybeforecheck=90"
+      - "--certificatesresolvers.mysresolver.acme.dnschallenge.disablepropagationcheck=true"
+      - "--certificatesresolvers.mysresolver.acme.dnschallenge.resolvers=1.1.1.1:53,8.8.8.8:53"
+      - "--certificatesresolvers.mysresolver.acme.email=${ACME_EMAIL}"
+      - "--certificatesresolvers.mysresolver.acme.storage=/letsencrypt/acme.json"
     environment:
       - DESEC_TOKEN=${DESEC_TOKEN}
       - DESEC_DOMAIN=${DESEC_DOMAIN}