diff --git a/applications/acme.nix b/applications/acme.nix
index 103a639..3018c5a 100644
--- a/applications/acme.nix
+++ b/applications/acme.nix
@@ -1,29 +1,42 @@
-{ config, ... }:{
-  # group that will own the certificates
-  users.groups.acme = {};
+{ config, pkgs, lib, ... }:
+  with lib;
+  let
+    cfg = config.skynet_acme;
+  in {
+  imports = [];
 
-  age.secrets.acme.file = ../secrets/dns_certs.secret.age;
-
-  security.acme = {
-    preliminarySelfsigned = false;
-    acceptTerms = true;
-
-    defaults = {
-      email = "admin_acme@skynet.ie";
-      # we use our own dns authorative server for verifying we own the domain.
-      dnsProvider = "rfc2136";
-      credentialsFile = config.age.secrets.acme.path;
+  options.skynet_acme = {
+    domains = lib.mkOption {
+      default = [ ];
+      type = lib.types.listOf lib.types.str;
+      description = ''
+        A list of domains to use for this server.
+      '';
     };
+  };
 
-    certs = {
-      "skynet" = {
-        domain = "skynet.ie";
-        extraDomainNames = [
-          "*.skynet.ie"
-          "*.minecraft.games.skynet.ie"
-          "*.pages.skynet.ie"
-          "api.account.skynet.ie"
-        ];
+  config = {
+    # group that will own the certificates
+    users.groups.acme = {};
+
+    age.secrets.acme.file = ../secrets/dns_certs.secret.age;
+
+    security.acme = {
+      preliminarySelfsigned = false;
+      acceptTerms = true;
+
+      defaults = {
+        email = "admin_acme@skynet.ie";
+        # we use our own dns authorative server for verifying we own the domain.
+        dnsProvider = "rfc2136";
+        credentialsFile = config.age.secrets.acme.path;
+      };
+
+      certs = {
+        "skynet" = {
+          domain = "skynet.ie";
+          extraDomainNames = cfg.domains;
+        };
       };
     };
   };
diff --git a/applications/email.nix b/applications/email.nix
index b69cb58..265fc45 100644
--- a/applications/email.nix
+++ b/applications/email.nix
@@ -97,6 +97,10 @@
 
     age.secrets.ldap_pw.file = ../secrets/ldap/pw.age;
 
+    skynet_acme.domains = [
+      "${cfg.sub}.${cfg.domain}"
+    ];
+
     # set up dns record for it
     skynet_dns.records = [
       # basic one
diff --git a/applications/games/minecraft.nix b/applications/games/minecraft.nix
index c8cdf8b..7e1d2c3 100644
--- a/applications/games/minecraft.nix
+++ b/applications/games/minecraft.nix
@@ -53,6 +53,15 @@
       "ip daddr ${cfg.host.ip} tcp dport 25565 counter packets 0 bytes 0 accept"
     ];
 
+    skynet_acme.domains = [
+                      "${cfg.domain.sub}.${cfg.domain.base}.${cfg.domain.tld}"
+               "config.${cfg.domain.sub}.${cfg.domain.base}.${cfg.domain.tld}"
+      "compsoc_classic.${cfg.domain.sub}.${cfg.domain.base}.${cfg.domain.tld}"
+              "compsoc.${cfg.domain.sub}.${cfg.domain.base}.${cfg.domain.tld}"
+                 "gsoc.${cfg.domain.sub}.${cfg.domain.base}.${cfg.domain.tld}"
+        "gsoc_abridged.${cfg.domain.sub}.${cfg.domain.base}.${cfg.domain.tld}"
+    ];
+
     skynet_dns.records = [
       # the minecraft (web) config server
       {record="config.${cfg.domain.sub}";  r_type="CNAME";  value=cfg.host.name;}
diff --git a/applications/gitlab.nix b/applications/gitlab.nix
index 32ca33f..add72dd 100644
--- a/applications/gitlab.nix
+++ b/applications/gitlab.nix
@@ -93,6 +93,11 @@
       group = cfg.user;
     };
 
+    skynet_acme.domains = [
+              "${cfg.domain.sub}.${cfg.domain.base}.${cfg.domain.tld}"
+      "*.pages.${cfg.domain.sub}.${cfg.domain.base}.${cfg.domain.tld}"
+    ];
+
     # using https://nixos.org/manual/nixos/stable/index.html#module-services-gitlab as a guide
     skynet_dns.records = [
       {record=cfg.domain.sub; r_type="CNAME"; value=cfg.host.name;}
diff --git a/applications/ldap.nix b/applications/ldap.nix
index ff1ccc0..98554d8 100644
--- a/applications/ldap.nix
+++ b/applications/ldap.nix
@@ -77,6 +77,10 @@ Gonna use a priper nixos module for this
       group = "openldap";
     };
 
+    skynet_acme.domains = [
+      "${cfg.domain.sub}.${cfg.domain.base}.${cfg.domain.tld}"
+    ];
+
     skynet_dns.records = [
       {record=cfg.domain.sub; r_type="CNAME"; value=cfg.host.name;}
     ];
diff --git a/applications/ldap/ldap_backend.nix b/applications/ldap/ldap_backend.nix
index e68eb3d..b8192fb 100644
--- a/applications/ldap/ldap_backend.nix
+++ b/applications/ldap/ldap_backend.nix
@@ -49,6 +49,10 @@
 
     age.secrets.ldap_self_service.file = ../../secrets/ldap/self_service.age;
 
+    skynet_acme.domains = [
+      "${cfg.domain.sub}.${cfg.domain.base}.${cfg.domain.tld}"
+    ];
+
     skynet_dns.records = [
       {record=cfg.domain.sub; r_type="CNAME"; value=cfg.host.name;}
     ];
diff --git a/applications/skynet.ie.nix b/applications/skynet.ie.nix
index 5c5ccb4..d36e434 100644
--- a/applications/skynet.ie.nix
+++ b/applications/skynet.ie.nix
@@ -21,6 +21,11 @@
   };
 
   config = {
+    skynet_acme.domains = [
+      # the root one is already covered by teh certificate
+      "2016.skynet.ie"
+    ];
+
     skynet_dns.records = [
       # means root domain, so skynet.ie
       {record="@"; r_type="A"; value=cfg.host.ip;}
diff --git a/applications/ulfm.nix b/applications/ulfm.nix
index 7c101b8..f970e0d 100644
--- a/applications/ulfm.nix
+++ b/applications/ulfm.nix
@@ -50,6 +50,10 @@
       8000
     ];
 
+    skynet_acme.domains = [
+      "${cfg.domain.sub}.${cfg.domain.base}.${cfg.domain.tld}"
+    ];
+
     skynet_dns.records = [
       {record=cfg.domain.sub; r_type="CNAME"; value=cfg.host.name;}
     ];