diff --git a/services/prometheus-nginx.nix b/services/prometheus-nginx.nix
index 4abef44..be4bed0 100644
--- a/services/prometheus-nginx.nix
+++ b/services/prometheus-nginx.nix
@@ -5,8 +5,10 @@
     enable = true;
     openFirewall = true;
     firewallRules = ''
-      ip saddr 195.160.173.14/32 tcp dport ${toString config.services.prometheus.exporters.nginx.port} accept comment "Allow prometheus on monitoring.berlin.ccc.der"
-      ip6 saddr 2001:678:760:cccb::14/128 tcp dport ${toString config.services.prometheus.exporters.nginx.port} accept comment "Allow prometheus on monitoring.berlin.ccc.der"
+      ip6 saddr 2001:678:760:cccb::14/128 tcp dport ${toString config.services.prometheus.exporters.nginx.port} accept comment "Allow prometheus on monitoring.berlin.ccc.de"
+      ip6 saddr 2a03:4000:3b:28b::1/128 tcp dport ${toString config.services.prometheus.exporters.nginx.port} accept comment "Allow uptime-kuma on mon.xengi.de"
+      ip saddr 195.160.173.14/32 tcp dport ${toString config.services.prometheus.exporters.nginx.port} accept comment "Allow prometheus on monitoring.berlin.ccc.de"
+      ip saddr 185.163.117.133/32 tcp dport ${toString config.services.prometheus.exporters.nginx.port} accept comment "Allow uptime-kuma on mon.xengi.de"
     '';
   };
 }
diff --git a/services/prometheus-node.nix b/services/prometheus-node.nix
index a327fc4..bc93dcc 100644
--- a/services/prometheus-node.nix
+++ b/services/prometheus-node.nix
@@ -5,8 +5,10 @@
     enable = true;
     openFirewall = true;
     firewallRules = ''
-      ip saddr 195.160.173.14/32 tcp dport ${toString config.services.prometheus.exporters.node.port} accept comment "Allow prometheus on monitoring.berlin.ccc.der"
-      ip6 saddr 2001:678:760:cccb::14/128 tcp dport ${toString config.services.prometheus.exporters.node.port} accept comment "Allow prometheus on monitoring.berlin.ccc.der"
+      ip6 saddr 2001:678:760:cccb::14/128 tcp dport ${toString config.services.prometheus.exporters.node.port} accept comment "Allow prometheus on monitoring.berlin.ccc.de"
+      ip6 saddr 2a03:4000:3b:28b::1/128 tcp dport ${toString config.services.prometheus.exporters.node.port} accept comment "Allow uptime-kuma on mon.xengi.de"
+      ip saddr 195.160.173.14/32 tcp dport ${toString config.services.prometheus.exporters.node.port} accept comment "Allow prometheus on monitoring.berlin.ccc.de"
+      ip saddr 185.163.117.133/32 tcp dport ${toString config.services.prometheus.exporters.node.port} accept comment "Allow uptime-kuma on mon.xengi.de"
     '';
     enabledCollectors = [ ];
     disabledCollectors = [ ];