diff --git a/configuration.nix b/configuration.nix
index 56ed5e7..ff1660b 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -30,6 +30,7 @@ in
   };
 
   home-manager.users.pim = import /home/pim/.config/home-manager/home.nix;
+
   users.users.pim = {
     isNormalUser = true;
     extraGroups = [ "wheel" ];
@@ -48,4 +49,18 @@ in
   };
 
   system.stateVersion = stateVersion;
+
+  programs.ssh.knownHosts = {
+    dmz = {
+      hostNames = ["*.dmz"];
+      publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAX2IhgHNxC6JTvLu9cej+iWuG+uJFMXn4AiRro9533x";
+      certAuthority = true;
+    };
+
+    hypervisors = {
+      hostNames = ["*.hyp"];
+      publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIFzRkH3d/KVJQouswY/DMpenWbDFVOnI3Vut0xR0e1tb";
+      certAuthority = true;
+    };
+  };
 }