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path: root/hosts/surtr/dns/default.nix
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{...}:
{
  config = {
    fileSystems."/var/lib/knot" =
      { device = "surtr/safe/var-lib-knot";
        fsType = "zfs";
      };

    systemd.services.knot.unitConfig.RequiresMountsFor = [ "var-lib-knot.mount" ];

    networking.firewall = {
      allowedTCPPorts = [
        53 # DNS
      ];
      allowedUDPPorts = [
        53 # DNS
      ];
    };
    
    services.knot = {
      enable = true;
      extraConfig = ''
        server:
          listen: 127.0.0.1@53
          listen: ::1@53
          listen: 202.61.241.61@53
          listen: 2a03:4000:52:ada::@53

        remote:
          - id: "inwx_notify"
            address: 185.181.104.96@53

        acl:
          - id: "inwx_acl"
            address: 185.181.104.96
            action: transfer

        template:
          - id: "inwx_zone"
            storage: /var/lib/knot
            zonefile-sync: -1
            zonefile-load: difference-no-serial
            semantic-checks: on
            dnssec-signing: on
            notify: ["inwx_notify"]
            acl: ["inwx_acl"]

        policy:
          - id: rsa
            algorithm: RSASHA256
            ksk-size: 4096
            zsk-size: 2048
            zsk-lifetime: 30d

        zone:
          - template: "inwx_zone"
            domain: yggdrasil.li
            file: ${./zones/li.yggdrasil.soa}
        zone:
          - template: "inwx_zone"
            domain: nights.email
            file: ${./zones/email.nights.soa}
        zone:
          - template: "inwx_zone"
            domain: 141.li
            file: ${./zones/li.141.soa}
        zone:
          - template: "inwx_zone"
            domain: kleen.li
            file: ${./zones/li.kleen.soa}
        zone:
          - template: "inwx_zone"
            domain: xmpp.li
            file: ${./zones/li.xmpp.soa}
        zone:
          - template: "inwx_zone"
            domain: dirty-haskell.org
            file: ${./zones/org.dirty-haskell.soa}
        zone:
          - template: "inwx_zone"
            domain: praseodym.org
            file: ${./zones/org.praseodym.soa}
        zone:
          - template: "inwx_zone"
            domain: rheperire.org
            file: ${./zones/org.rheperire.soa}
      '';
    };
  };
}