nameserver config: add ni as secondary

krebs/2configs/nameserver.nix

@@ -60,6 +60,9 @@ in {
           any: debug
 
       remote:
+        - id: krebscode_ni
+          address: ${config.krebs.hosts.ni.nets.internet.ip4.addr}
+          key: krebs_transfer_notify_key
 
       acl:
         - id: acme_acl
@@ -70,6 +73,10 @@ in {
           key: dane
           action: update
 
+        - id: transfer_to_krebscode_secondary
+          key: krebs_transfer_notify_key
+          action: transfer
+
       mod-rrl:
         - id: default
           rate-limit: 200   # Allow 200 resp/s for each flow
@@ -94,6 +101,8 @@ in {
           file: ${pkgs.krebs.zones."krebsco.de"}
           dnssec-signing: on
           dnssec-policy: rsa2k
+          notify: krebscode_ni
+          acl: transfer_to_krebscode_secondary
           acl: dane_acl
 
         - domain: _acme-challenge.krebsco.de

krebs/3modules/zones.nix

@@ -12,6 +12,7 @@ with lib; {
         $TTL 60
         @ 3600 IN SOA spam.krebsco.de. spam.krebsco.de. 0 7200 3600 86400 3600
         @ 3600 IN NS ns1
+        @ 3600 IN NS ni
       '';
     };
   };