diff --git a/cluster/staging/app/core/deploy/core-service.hcl b/cluster/staging/app/core/deploy/core-service.hcl
new file mode 100644
index 0000000..3f4b343
--- /dev/null
+++ b/cluster/staging/app/core/deploy/core-service.hcl
@@ -0,0 +1,62 @@
+job "core-service" {
+  datacenters = ["neptune"]
+  type = "service"
+  priority = 90
+
+  group "D53" {
+    count = 1
+
+    task "d53" {
+      driver = "nix2"
+
+      config {
+        packages = [
+          "git+https://git.deuxfleurs.fr/lx/D53.git?ref=main&rev=ed2653ae7dba9c072dcca1aed03b7cda0d910c85"
+        ]
+        command = "d53"
+      }
+
+      resources {
+        cpu = 100
+        memory = 100
+      }
+
+      restart {
+        interval = "3m"
+        attempts = 10
+        delay    = "15s"
+        mode     = "delay"
+      }
+
+      template {
+        data = "{{ key \"secrets/consul/consul-ca.crt\" }}"
+        destination = "etc/tricot/consul-ca.crt"
+      }
+
+      template {
+        data = "{{ key \"secrets/consul/consul-client.crt\" }}"
+        destination = "etc/tricot/consul-client.crt"
+      }
+
+      template {
+        data = "{{ key \"secrets/consul/consul-client.key\" }}"
+        destination = "etc/tricot/consul-client.key"
+      }
+
+      template {
+        data = <<EOH
+D53_CONSUL_HOST=https://localhost:8501
+D53_CONSUL_CA_CERT=/etc/tricot/consul-ca.crt
+D53_CONSUL_CLIENT_CERT=/etc/tricot/consul-client.crt
+D53_CONSUL_CLIENT_KEY=/etc/tricot/consul-client.key
+D53_PROVIDER=gandi
+D53_GANDI_API_KEY={{ key "secrets/d53/gandi_api_key" }}
+D53_ALLOWED_DOMAINS=staging.deuxfleurs.org
+RUST_LOG=d53=info
+EOH
+        destination = "secrets/env"
+        env = true
+      }
+    }
+  }
+}
diff --git a/cluster/staging/app/frontend/deploy/frontend-tricot.hcl b/cluster/staging/app/core/deploy/core-system.hcl
similarity index 54%
rename from cluster/staging/app/frontend/deploy/frontend-tricot.hcl
rename to cluster/staging/app/core/deploy/core-system.hcl
index 49d5672..eb34008 100644
--- a/cluster/staging/app/frontend/deploy/frontend-tricot.hcl
+++ b/cluster/staging/app/core/deploy/core-system.hcl
@@ -1,14 +1,75 @@
-job "frontend" {
+job "core-system" {
   datacenters = ["neptune"]
-  type = "service"
+  type = "system"
   priority = 90
 
-  group "tricot" {
-    constraint {
-      attribute = "${attr.unique.hostname}"
-      value = "caribou"
-    }
+  constraint {
+    attribute = "${attr.cpu.arch}"
+    value     = "amd64"
+  }
 
+  update {
+    max_parallel     = 1
+    stagger = "1m"
+  }
+
+  group "diplonat" {
+    task "diplonat" {
+      driver = "nix2"
+
+      config {
+        packages = [
+          "#iptables",
+          "git+https://git.deuxfleurs.fr/Deuxfleurs/diplonat.git?ref=main&rev=f306e8dc8d0e93478353ce39b6064e8c06a8bca6"
+        ]
+        command = "diplonat"
+      }
+      user = "root"
+
+      restart {
+        interval = "30m"
+        attempts = 2
+        delay    = "15s"
+        mode     = "delay"
+      }
+
+      template {
+        data = "{{ key \"secrets/consul/consul-ca.crt\" }}"
+        destination = "etc/diplonat/consul-ca.crt"
+      }
+
+      template {
+        data = "{{ key \"secrets/consul/consul-client.crt\" }}"
+        destination = "etc/diplonat/consul-client.crt"
+      }
+
+      template {
+        data = "{{ key \"secrets/consul/consul-client.key\" }}"
+        destination = "etc/diplonat/consul-client.key"
+      }
+
+      template {
+        data = <<EOH
+DIPLONAT_REFRESH_TIME=60
+DIPLONAT_EXPIRATION_TIME=300
+DIPLONAT_CONSUL_NODE_NAME={{ env "attr.unique.hostname" }}
+DIPLONAT_CONSUL_URL=https://localhost:8501
+DIPLONAT_CONSUL_CA_CERT=/etc/diplonat/consul-ca.crt
+DIPLONAT_CONSUL_CLIENT_CERT=/etc/diplonat/consul-client.crt
+DIPLONAT_CONSUL_CLIENT_KEY=/etc/diplonat/consul-client.key
+RUST_LOG=debug
+EOH
+        destination = "secrets/env"
+        env = true
+      }
+
+      resources {
+        memory = 40
+      }
+    }
+  }
+
+  group "tricot" {
     network {
       port "http_port" { static = 80 }
       port "https_port" { static = 443 }
@@ -75,14 +136,20 @@ EOH
       service {
         name = "tricot-http"
         port = "http_port"
-        /* tags = [ "(diplonat (tcp_port 80))" ] */
+        tags = [
+          "d53-aaaa deuxfleurs.org ${meta.site}.site.staging",
+          "d53-aaaa deuxfleurs.org staging",
+          # "(diplonat (tcp_port 80))"
+        ]
         address_mode = "host"
       }
 
       service {
         name = "tricot-https"
         port = "https_port"
-        /* tags = [ "(diplonat (tcp_port 443))" ] */
+        tags = [
+          # "(diplonat (tcp_port 443))"
+        ]
         address_mode = "host"
       }
 
diff --git a/cluster/staging/app/core/deploy/core.hcl b/cluster/staging/app/core/deploy/core.hcl
deleted file mode 100644
index e604c24..0000000
--- a/cluster/staging/app/core/deploy/core.hcl
+++ /dev/null
@@ -1,71 +0,0 @@
-job "core" {
-  datacenters = ["dc1", "neptune"]
-  type = "system"
-  priority = 90
-
-  constraint {
-    attribute = "${attr.cpu.arch}"
-    value     = "amd64"
-  }
-
-  update {
-    max_parallel     = 1
-    stagger = "1m"
-  }
-
-  group "network" {
-    task "diplonat" {
-      driver = "nix2"
-
-      config {
-        packages = [
-          "#iptables",
-          "git+https://git.deuxfleurs.fr/Deuxfleurs/diplonat.git?ref=main&rev=f306e8dc8d0e93478353ce39b6064e8c06a8bca6"
-        ]
-        command = "diplonat"
-      }
-      user = "root"
-
-      restart {
-        interval = "30m"
-        attempts = 2
-        delay    = "15s"
-        mode     = "delay"
-      }
-
-      template {
-        data = "{{ key \"secrets/consul/consul-ca.crt\" }}"
-        destination = "etc/diplonat/consul-ca.crt"
-      }
-
-      template {
-        data = "{{ key \"secrets/consul/consul-client.crt\" }}"
-        destination = "etc/diplonat/consul-client.crt"
-      }
-
-      template {
-        data = "{{ key \"secrets/consul/consul-client.key\" }}"
-        destination = "etc/diplonat/consul-client.key"
-      }
-
-      template {
-        data = <<EOH
-DIPLONAT_REFRESH_TIME=60
-DIPLONAT_EXPIRATION_TIME=300
-DIPLONAT_CONSUL_NODE_NAME={{ env "attr.unique.hostname" }}
-DIPLONAT_CONSUL_URL=https://localhost:8501
-DIPLONAT_CONSUL_CA_CERT=/etc/diplonat/consul-ca.crt
-DIPLONAT_CONSUL_CLIENT_CERT=/etc/diplonat/consul-client.crt
-DIPLONAT_CONSUL_CLIENT_KEY=/etc/diplonat/consul-client.key
-RUST_LOG=debug
-EOH
-        destination = "secrets/env"
-        env = true
-      }
-
-      resources {
-        memory = 40
-      }
-    }
-  }
-}
diff --git a/cluster/staging/app/directory/deploy/directory.hcl b/cluster/staging/app/directory/deploy/directory.hcl
index 7c597fa..d25a081 100644
--- a/cluster/staging/app/directory/deploy/directory.hcl
+++ b/cluster/staging/app/directory/deploy/directory.hcl
@@ -111,8 +111,8 @@ EOH
         name = "guichet"
         tags = [
           "guichet",
-          "tricot guichet-staging.home.adnab.me",
           "tricot guichet.staging.deuxfleurs.org",
+          "d53-cname deuxfleurs.org guichet.staging",
         ]
         port = "web_port"
         check {
diff --git a/cluster/staging/app/telemetry/deploy/telemetry.hcl b/cluster/staging/app/telemetry/deploy/telemetry.hcl
index da0a3c6..7ee289d 100644
--- a/cluster/staging/app/telemetry/deploy/telemetry.hcl
+++ b/cluster/staging/app/telemetry/deploy/telemetry.hcl
@@ -156,6 +156,7 @@ job "telemetry" {
         tags = [
           "grafana",
           "tricot grafana.staging.deuxfleurs.org",
+          "d53-cname deuxfleurs.org grafana.staging",
         ]
         port = "grafana"
         check {
@@ -237,7 +238,10 @@ EOH
         port = "jaeger-frontend"
         address_mode = "host"
         name = "jaeger-frontend"
-        tags = [ "tricot jaeger.staging.deuxfleurs.org" ]
+        tags = [
+          "tricot jaeger.staging.deuxfleurs.org",
+          "d53-cname deuxfleurs.org jaeger.staging",
+        ]
         check {
           type = "tcp"
           port = "jaeger-frontend"