dnschain: init at 0.5.3

pkgs/servers/dnschain/default.nix

@@ -0,0 +1,11 @@
+{ stdenv, nodePackages }:
+
+# to update dnschain, run npm2nix package.json package.nix, and
+# then add "coffee-script" manually as a dependecy for "dnschain"
+# in package.nix.
+
+let
+  np = nodePackages.override { generated = ./package.nix; self = np; };
+in
+
+np.dnschain

pkgs/servers/dnschain/package.json

@@ -0,0 +1,3 @@
+[ "dnschain"
+, "coffee-script"
+]

pkgs/top-level/all-packages.nix

@@ -8968,6 +8968,8 @@ let
 
   diod = callPackage ../servers/diod { lua = lua5_1; };
 
+  dnschain = callPackage ../servers/dnschain { };
+
   dovecot = dovecot21;
 
   dovecot21 = callPackage ../servers/mail/dovecot { };