diff --git a/domains/sea.fudo.org.nix b/domains/sea.fudo.org.nix
index 0f75c0a..8d795a3 100644
--- a/domains/sea.fudo.org.nix
+++ b/domains/sea.fudo.org.nix
@@ -12,6 +12,9 @@
 
   ldap-servers = [ "nutboy3" "legatus" ];
 
+  kerberos-master = "limina";
+  kerberos-slaves = [ "nostromo" ];
+
   prometheus-hosts = [ "limina" ];
   grafana-hosts = [ "nostromo" ];
   log-aggregator = "nostromo";
diff --git a/lib.nix b/lib.nix
index 6678add..50de33c 100644
--- a/lib.nix
+++ b/lib.nix
@@ -8,5 +8,8 @@ let
     let domain-name = entities.hosts."${hostname}".domain;
     in entities.domains."${domain-name}";
   getHostRealm = hostname: (getHostDomain hostname).gssapi-realm;
+  getHostFqdn = hostname:
+    let hostDomain = entities.hosts."${hostname}".domain;
+    in "${hostname}.${hostDomain}";
 
-in { inherit getHostSite getHostDomain getHostRealm; }
+in { inherit getHostSite getHostDomain getHostRealm getHostFqdn; }