diff --git a/README.md b/README.md
index 31c366b..87f0b1c 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,10 @@ Other:
 
     $ nix build .#nixosConfigurations.vno1-rp3b.config.system.build.toplevel
 
+Debug
+
+    $ nix eval .#nixosConfigurations.vno1-oh2.config.services.nsd
+
 Encoding host-only secrets
 --------------------------
 
diff --git a/data.nix b/data.nix
index 9c11d39..90b27c9 100644
--- a/data.nix
+++ b/data.nix
@@ -97,5 +97,10 @@ rec {
     _acme-challenge.grafana   600 CNAME     _acme-endpoint.grafana
     _acme-endpoint.grafana    600    NS     ns._acme-endpoint.grafana
     ns._acme-endpoint.grafana 600     A     ${vno1}
+
+    irc                       600     A     ${hosts."vno1-oh2.servers.jakst".jakstIP}
+    _acme-challenge.irc       600 CNAME     _acme-endpoint.irc
+    _acme-endpoint.irc        600    NS     ns._acme-endpoint.irc
+    ns._acme-endpoint.irc     600     A     ${vno1}
   '';
 }