diff --git a/hosts b/hosts
index 19fc1f2..46efb38 100644
--- a/hosts
+++ b/hosts
@@ -17,6 +17,7 @@ database
 dhcpserver
 docker
 fileserver
+icinga
 jitsimeet
 mailserver
 mastodon
@@ -49,6 +50,15 @@ glustertest01
 glustertest02
 glustertest03
 
+[icinga-master]
+icinga
+
+[icinga-satellite]
+
+[icinga:children]
+icinga-master
+icinga-satellite
+
 [jitsimeet]
 mewimeet.de jitsi_fqdn=mewimeet.de