diff --git a/pkgs/servers/dnschain/default.nix b/pkgs/servers/dnschain/default.nix
new file mode 100644
index 000000000000..b1714101856a
--- /dev/null
+++ b/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
diff --git a/pkgs/servers/dnschain/package.json b/pkgs/servers/dnschain/package.json
new file mode 100644
index 000000000000..fda40c8a90a6
--- /dev/null
+++ b/pkgs/servers/dnschain/package.json
@@ -0,0 +1,3 @@
+[ "dnschain"
+, "coffee-script"
+]
diff --git a/pkgs/servers/dnschain/package.nix b/pkgs/servers/dnschain/package.nix
new file mode 100644
index 000000000000..8077cb0f01f4
--- /dev/null
+++ b/pkgs/servers/dnschain/package.nix
@@ -0,0 +1,2200 @@
+{ self, fetchurl, fetchgit ? null, lib }:
+
+{
+  by-spec."accepts"."~1.2.3" =
+    self.by-version."accepts"."1.2.13";
+  by-version."accepts"."1.2.13" = self.buildNodePackage {
+    name = "accepts-1.2.13";
+    version = "1.2.13";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/accepts/-/accepts-1.2.13.tgz";
+      name = "accepts-1.2.13.tgz";
+      sha1 = "e5f1f3928c6d95fd96558c36ec3d9d0de4a6ecea";
+    };
+    deps = {
+      "mime-types-2.1.6" = self.by-version."mime-types"."2.1.6";
+      "negotiator-0.5.3" = self.by-version."negotiator"."0.5.3";
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."async"."0.2.x" =
+    self.by-version."async"."0.2.10";
+  by-version."async"."0.2.10" = self.buildNodePackage {
+    name = "async-0.2.10";
+    version = "0.2.10";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/async/-/async-0.2.10.tgz";
+      name = "async-0.2.10.tgz";
+      sha1 = "b6bbe0b0674b9d719708ca38de8c237cb526c3d1";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."async"."~0.9.0" =
+    self.by-version."async"."0.9.2";
+  by-version."async"."0.9.2" = self.buildNodePackage {
+    name = "async-0.9.2";
+    version = "0.9.2";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/async/-/async-0.9.2.tgz";
+      name = "async-0.9.2.tgz";
+      sha1 = "aea74d5e61c1f899613bf64bda66d4c78f2fd17d";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."better-curry"."1.x.x" =
+    self.by-version."better-curry"."1.6.0";
+  by-version."better-curry"."1.6.0" = self.buildNodePackage {
+    name = "better-curry-1.6.0";
+    version = "1.6.0";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/better-curry/-/better-curry-1.6.0.tgz";
+      name = "better-curry-1.6.0.tgz";
+      sha1 = "38f716b24c8cee07a262abc41c22c314e20e3869";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."binaryheap".">= 0.0.3" =
+    self.by-version."binaryheap"."0.0.3";
+  by-version."binaryheap"."0.0.3" = self.buildNodePackage {
+    name = "binaryheap-0.0.3";
+    version = "0.0.3";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/binaryheap/-/binaryheap-0.0.3.tgz";
+      name = "binaryheap-0.0.3.tgz";
+      sha1 = "0d6136c84e9f1a5a90c0b97178c3e00df59820d6";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."bindings"."*" =
+    self.by-version."bindings"."1.2.1";
+  by-version."bindings"."1.2.1" = self.buildNodePackage {
+    name = "bindings-1.2.1";
+    version = "1.2.1";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/bindings/-/bindings-1.2.1.tgz";
+      name = "bindings-1.2.1.tgz";
+      sha1 = "14ad6113812d2d37d72e67b4cacb4bb726505f11";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."bluebird"."2.9.9" =
+    self.by-version."bluebird"."2.9.9";
+  by-version."bluebird"."2.9.9" = self.buildNodePackage {
+    name = "bluebird-2.9.9";
+    version = "2.9.9";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/bluebird/-/bluebird-2.9.9.tgz";
+      name = "bluebird-2.9.9.tgz";
+      sha1 = "61a26904d43d7f6b19dff7ed917dbc92452ad6d3";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."bottleneck"."1.5.x" =
+    self.by-version."bottleneck"."1.5.3";
+  by-version."bottleneck"."1.5.3" = self.buildNodePackage {
+    name = "bottleneck-1.5.3";
+    version = "1.5.3";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/bottleneck/-/bottleneck-1.5.3.tgz";
+      name = "bottleneck-1.5.3.tgz";
+      sha1 = "55fa64920d9670087d44150404525d59f9511c20";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."buffercursor".">= 0.0.12" =
+    self.by-version."buffercursor"."0.0.12";
+  by-version."buffercursor"."0.0.12" = self.buildNodePackage {
+    name = "buffercursor-0.0.12";
+    version = "0.0.12";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/buffercursor/-/buffercursor-0.0.12.tgz";
+      name = "buffercursor-0.0.12.tgz";
+      sha1 = "78a9a7f4343ae7d820a8999acc80de591e25a779";
+    };
+    deps = {
+      "verror-1.6.0" = self.by-version."verror"."1.6.0";
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."buffercursor".">= 0.0.5" =
+    self.by-version."buffercursor"."0.0.12";
+  by-spec."coffee-script"."*" =
+    self.by-version."coffee-script"."1.10.0";
+  by-version."coffee-script"."1.10.0" = self.buildNodePackage {
+    name = "coffee-script-1.10.0";
+    version = "1.10.0";
+    bin = true;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/coffee-script/-/coffee-script-1.10.0.tgz";
+      name = "coffee-script-1.10.0.tgz";
+      sha1 = "12938bcf9be1948fa006f92e0c4c9e81705108c0";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  "coffee-script" = self.by-version."coffee-script"."1.10.0";
+  by-spec."colors"."0.6.x" =
+    self.by-version."colors"."0.6.2";
+  by-version."colors"."0.6.2" = self.buildNodePackage {
+    name = "colors-0.6.2";
+    version = "0.6.2";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/colors/-/colors-0.6.2.tgz";
+      name = "colors-0.6.2.tgz";
+      sha1 = "2423fe6678ac0c5dae8852e5d0e5be08c997abcc";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."combined-stream"."~0.0.4" =
+    self.by-version."combined-stream"."0.0.7";
+  by-version."combined-stream"."0.0.7" = self.buildNodePackage {
+    name = "combined-stream-0.0.7";
+    version = "0.0.7";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/combined-stream/-/combined-stream-0.0.7.tgz";
+      name = "combined-stream-0.0.7.tgz";
+      sha1 = "0137e657baa5a7541c57ac37ac5fc07d73b4dc1f";
+    };
+    deps = {
+      "delayed-stream-0.0.5" = self.by-version."delayed-stream"."0.0.5";
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."component-emitter"."1.1.2" =
+    self.by-version."component-emitter"."1.1.2";
+  by-version."component-emitter"."1.1.2" = self.buildNodePackage {
+    name = "component-emitter-1.1.2";
+    version = "1.1.2";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/component-emitter/-/component-emitter-1.1.2.tgz";
+      name = "component-emitter-1.1.2.tgz";
+      sha1 = "296594f2753daa63996d2af08d15a95116c9aec3";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."content-disposition"."0.5.0" =
+    self.by-version."content-disposition"."0.5.0";
+  by-version."content-disposition"."0.5.0" = self.buildNodePackage {
+    name = "content-disposition-0.5.0";
+    version = "0.5.0";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/content-disposition/-/content-disposition-0.5.0.tgz";
+      name = "content-disposition-0.5.0.tgz";
+      sha1 = "4284fe6ae0630874639e44e80a418c2934135e9e";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."cookie"."0.1.2" =
+    self.by-version."cookie"."0.1.2";
+  by-version."cookie"."0.1.2" = self.buildNodePackage {
+    name = "cookie-0.1.2";
+    version = "0.1.2";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/cookie/-/cookie-0.1.2.tgz";
+      name = "cookie-0.1.2.tgz";
+      sha1 = "72fec3d24e48a3432073d90c12642005061004b1";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."cookie-signature"."1.0.5" =
+    self.by-version."cookie-signature"."1.0.5";
+  by-version."cookie-signature"."1.0.5" = self.buildNodePackage {
+    name = "cookie-signature-1.0.5";
+    version = "1.0.5";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.5.tgz";
+      name = "cookie-signature-1.0.5.tgz";
+      sha1 = "a122e3f1503eca0f5355795b0711bb2368d450f9";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."cookiejar"."2.0.1" =
+    self.by-version."cookiejar"."2.0.1";
+  by-version."cookiejar"."2.0.1" = self.buildNodePackage {
+    name = "cookiejar-2.0.1";
+    version = "2.0.1";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/cookiejar/-/cookiejar-2.0.1.tgz";
+      name = "cookiejar-2.0.1.tgz";
+      sha1 = "3d12752f6adf68a892f332433492bd5812bb668f";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."core-util-is"."~1.0.0" =
+    self.by-version."core-util-is"."1.0.1";
+  by-version."core-util-is"."1.0.1" = self.buildNodePackage {
+    name = "core-util-is-1.0.1";
+    version = "1.0.1";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/core-util-is/-/core-util-is-1.0.1.tgz";
+      name = "core-util-is-1.0.1.tgz";
+      sha1 = "6b07085aef9a3ccac6ee53bf9d3df0c1521a5538";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."crc"."3.2.1" =
+    self.by-version."crc"."3.2.1";
+  by-version."crc"."3.2.1" = self.buildNodePackage {
+    name = "crc-3.2.1";
+    version = "3.2.1";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/crc/-/crc-3.2.1.tgz";
+      name = "crc-3.2.1.tgz";
+      sha1 = "5d9c8fb77a245cd5eca291e5d2d005334bab0082";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."cycle"."1.0.x" =
+    self.by-version."cycle"."1.0.3";
+  by-version."cycle"."1.0.3" = self.buildNodePackage {
+    name = "cycle-1.0.3";
+    version = "1.0.3";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/cycle/-/cycle-1.0.3.tgz";
+      name = "cycle-1.0.3.tgz";
+      sha1 = "21e80b2be8580f98b468f379430662b046c34ad2";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."debug"."1.x.x" =
+    self.by-version."debug"."1.0.4";
+  by-version."debug"."1.0.4" = self.buildNodePackage {
+    name = "debug-1.0.4";
+    version = "1.0.4";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/debug/-/debug-1.0.4.tgz";
+      name = "debug-1.0.4.tgz";
+      sha1 = "5b9c256bd54b6ec02283176fa8a0ede6d154cbf8";
+    };
+    deps = {
+      "ms-0.6.2" = self.by-version."ms"."0.6.2";
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."debug"."2" =
+    self.by-version."debug"."2.2.0";
+  by-version."debug"."2.2.0" = self.buildNodePackage {
+    name = "debug-2.2.0";
+    version = "2.2.0";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/debug/-/debug-2.2.0.tgz";
+      name = "debug-2.2.0.tgz";
+      sha1 = "f87057e995b1a1f6ae6a4960664137bc56f039da";
+    };
+    deps = {
+      "ms-0.7.1" = self.by-version."ms"."0.7.1";
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."debug"."~2.1.1" =
+    self.by-version."debug"."2.1.3";
+  by-version."debug"."2.1.3" = self.buildNodePackage {
+    name = "debug-2.1.3";
+    version = "2.1.3";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/debug/-/debug-2.1.3.tgz";
+      name = "debug-2.1.3.tgz";
+      sha1 = "ce8ab1b5ee8fbee2bfa3b633cab93d366b63418e";
+    };
+    deps = {
+      "ms-0.7.0" = self.by-version."ms"."0.7.0";
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."delayed-stream"."0.0.5" =
+    self.by-version."delayed-stream"."0.0.5";
+  by-version."delayed-stream"."0.0.5" = self.buildNodePackage {
+    name = "delayed-stream-0.0.5";
+    version = "0.0.5";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/delayed-stream/-/delayed-stream-0.0.5.tgz";
+      name = "delayed-stream-0.0.5.tgz";
+      sha1 = "d4b1f43a93e8296dfe02694f4680bc37a313c73f";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."depd"."~1.0.0" =
+    self.by-version."depd"."1.0.1";
+  by-version."depd"."1.0.1" = self.buildNodePackage {
+    name = "depd-1.0.1";
+    version = "1.0.1";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/depd/-/depd-1.0.1.tgz";
+      name = "depd-1.0.1.tgz";
+      sha1 = "80aec64c9d6d97e65cc2a9caa93c0aa6abf73aaa";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."destroy"."1.0.3" =
+    self.by-version."destroy"."1.0.3";
+  by-version."destroy"."1.0.3" = self.buildNodePackage {
+    name = "destroy-1.0.3";
+    version = "1.0.3";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/destroy/-/destroy-1.0.3.tgz";
+      name = "destroy-1.0.3.tgz";
+      sha1 = "b433b4724e71fd8551d9885174851c5fc377e2c9";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."dnschain"."*" =
+    self.by-version."dnschain"."0.5.3";
+  by-version."dnschain"."0.5.3" = self.buildNodePackage {
+    name = "dnschain-0.5.3";
+    version = "0.5.3";
+    bin = true;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/dnschain/-/dnschain-0.5.3.tgz";
+      name = "dnschain-0.5.3.tgz";
+      sha1 = "9b21d9ac5e203295f372ac37df470e9f0854c470";
+    };
+    deps = {
+      "bluebird-2.9.9" = self.by-version."bluebird"."2.9.9";
+      "bottleneck-1.5.3" = self.by-version."bottleneck"."1.5.3";
+      "event-stream-3.2.2" = self.by-version."event-stream"."3.2.2";
+      "express-4.11.2" = self.by-version."express"."4.11.2";
+      "hiredis-0.4.1" = self.by-version."hiredis"."0.4.1";
+      "json-rpc2-0.8.1" = self.by-version."json-rpc2"."0.8.1";
+      "lodash-3.1.0" = self.by-version."lodash"."3.1.0";
+      "native-dns-0.6.1" = self.by-version."native-dns"."0.6.1";
+      "native-dns-packet-0.1.1" = self.by-version."native-dns-packet"."0.1.1";
+      "nconf-0.7.1" = self.by-version."nconf"."0.7.1";
+      "properties-1.2.1" = self.by-version."properties"."1.2.1";
+      "redis-0.12.1" = self.by-version."redis"."0.12.1";
+      "string-2.0.1" = self.by-version."string"."2.0.1";
+      "winston-0.8.0" = self.by-version."winston"."0.8.0";
+      "superagent-0.21.0" = self.by-version."superagent"."0.21.0";
+      "coffee-script-1.10.0" = self.by-version."coffee-script"."1.10.0";
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  "dnschain" = self.by-version."dnschain"."0.5.3";
+  by-spec."duplexer"."~0.1.1" =
+    self.by-version."duplexer"."0.1.1";
+  by-version."duplexer"."0.1.1" = self.buildNodePackage {
+    name = "duplexer-0.1.1";
+    version = "0.1.1";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/duplexer/-/duplexer-0.1.1.tgz";
+      name = "duplexer-0.1.1.tgz";
+      sha1 = "ace6ff808c1ce66b57d1ebf97977acb02334cfc1";
+    };
+    deps = {
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+  by-version."properties"."1.2.1" = self.buildNodePackage {
+    name = "properties-1.2.1";
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+    bin = false;
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+      url = "http://registry.npmjs.org/properties/-/properties-1.2.1.tgz";
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+      sha1 = "0ee97a7fc020b1a2a55b8659eda4aa8d869094bd";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."proxy-addr"."~1.0.6" =
+    self.by-version."proxy-addr"."1.0.8";
+  by-version."proxy-addr"."1.0.8" = self.buildNodePackage {
+    name = "proxy-addr-1.0.8";
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+    };
+    deps = {
+      "forwarded-0.1.0" = self.by-version."forwarded"."0.1.0";
+      "ipaddr.js-1.0.1" = self.by-version."ipaddr.js"."1.0.1";
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."qs"."1.2.0" =
+    self.by-version."qs"."1.2.0";
+  by-version."qs"."1.2.0" = self.buildNodePackage {
+    name = "qs-1.2.0";
+    version = "1.2.0";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/qs/-/qs-1.2.0.tgz";
+      name = "qs-1.2.0.tgz";
+      sha1 = "ed079be28682147e6fd9a34cc2b0c1e0ec6453ee";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."qs"."2.3.3" =
+    self.by-version."qs"."2.3.3";
+  by-version."qs"."2.3.3" = self.buildNodePackage {
+    name = "qs-2.3.3";
+    version = "2.3.3";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/qs/-/qs-2.3.3.tgz";
+      name = "qs-2.3.3.tgz";
+      sha1 = "e9e85adbe75da0bbe4c8e0476a086290f863b404";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."range-parser"."~1.0.2" =
+    self.by-version."range-parser"."1.0.2";
+  by-version."range-parser"."1.0.2" = self.buildNodePackage {
+    name = "range-parser-1.0.2";
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+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/range-parser/-/range-parser-1.0.2.tgz";
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+      sha1 = "06a12a42e5131ba8e457cd892044867f2344e549";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."readable-stream"."1.0.27-1" =
+    self.by-version."readable-stream"."1.0.27-1";
+  by-version."readable-stream"."1.0.27-1" = self.buildNodePackage {
+    name = "readable-stream-1.0.27-1";
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+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/readable-stream/-/readable-stream-1.0.27-1.tgz";
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+    };
+    deps = {
+      "core-util-is-1.0.1" = self.by-version."core-util-is"."1.0.1";
+      "isarray-0.0.1" = self.by-version."isarray"."0.0.1";
+      "string_decoder-0.10.31" = self.by-version."string_decoder"."0.10.31";
+      "inherits-2.0.1" = self.by-version."inherits"."2.0.1";
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."redis"."0.12.x" =
+    self.by-version."redis"."0.12.1";
+  by-version."redis"."0.12.1" = self.buildNodePackage {
+    name = "redis-0.12.1";
+    version = "0.12.1";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/redis/-/redis-0.12.1.tgz";
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+      sha1 = "64df76ad0fc8acebaebd2a0645e8a48fac49185e";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."reduce-component"."1.0.1" =
+    self.by-version."reduce-component"."1.0.1";
+  by-version."reduce-component"."1.0.1" = self.buildNodePackage {
+    name = "reduce-component-1.0.1";
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+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/reduce-component/-/reduce-component-1.0.1.tgz";
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+      sha1 = "e0c93542c574521bea13df0f9488ed82ab77c5da";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."send"."0.11.1" =
+    self.by-version."send"."0.11.1";
+  by-version."send"."0.11.1" = self.buildNodePackage {
+    name = "send-0.11.1";
+    version = "0.11.1";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/send/-/send-0.11.1.tgz";
+      name = "send-0.11.1.tgz";
+      sha1 = "1beabfd42f9e2709f99028af3078ac12b47092d5";
+    };
+    deps = {
+      "debug-2.1.3" = self.by-version."debug"."2.1.3";
+      "depd-1.0.1" = self.by-version."depd"."1.0.1";
+      "destroy-1.0.3" = self.by-version."destroy"."1.0.3";
+      "escape-html-1.0.1" = self.by-version."escape-html"."1.0.1";
+      "etag-1.5.1" = self.by-version."etag"."1.5.1";
+      "fresh-0.2.4" = self.by-version."fresh"."0.2.4";
+      "mime-1.2.11" = self.by-version."mime"."1.2.11";
+      "ms-0.7.0" = self.by-version."ms"."0.7.0";
+      "on-finished-2.2.1" = self.by-version."on-finished"."2.2.1";
+      "range-parser-1.0.2" = self.by-version."range-parser"."1.0.2";
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."serve-static"."~1.8.1" =
+    self.by-version."serve-static"."1.8.1";
+  by-version."serve-static"."1.8.1" = self.buildNodePackage {
+    name = "serve-static-1.8.1";
+    version = "1.8.1";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/serve-static/-/serve-static-1.8.1.tgz";
+      name = "serve-static-1.8.1.tgz";
+      sha1 = "08fabd39999f050fc311443f46d5888a77ecfc7c";
+    };
+    deps = {
+      "escape-html-1.0.1" = self.by-version."escape-html"."1.0.1";
+      "parseurl-1.3.0" = self.by-version."parseurl"."1.3.0";
+      "send-0.11.1" = self.by-version."send"."0.11.1";
+      "utils-merge-1.0.0" = self.by-version."utils-merge"."1.0.0";
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."split"."0.3" =
+    self.by-version."split"."0.3.3";
+  by-version."split"."0.3.3" = self.buildNodePackage {
+    name = "split-0.3.3";
+    version = "0.3.3";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/split/-/split-0.3.3.tgz";
+      name = "split-0.3.3.tgz";
+      sha1 = "cd0eea5e63a211dfff7eb0f091c4133e2d0dd28f";
+    };
+    deps = {
+      "through-2.3.8" = self.by-version."through"."2.3.8";
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."stack-trace"."0.0.x" =
+    self.by-version."stack-trace"."0.0.9";
+  by-version."stack-trace"."0.0.9" = self.buildNodePackage {
+    name = "stack-trace-0.0.9";
+    version = "0.0.9";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/stack-trace/-/stack-trace-0.0.9.tgz";
+      name = "stack-trace-0.0.9.tgz";
+      sha1 = "a8f6eaeca90674c333e7c43953f275b451510695";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."stream-combiner"."~0.0.4" =
+    self.by-version."stream-combiner"."0.0.4";
+  by-version."stream-combiner"."0.0.4" = self.buildNodePackage {
+    name = "stream-combiner-0.0.4";
+    version = "0.0.4";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/stream-combiner/-/stream-combiner-0.0.4.tgz";
+      name = "stream-combiner-0.0.4.tgz";
+      sha1 = "4d5e433c185261dde623ca3f44c586bcf5c4ad14";
+    };
+    deps = {
+      "duplexer-0.1.1" = self.by-version."duplexer"."0.1.1";
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."string"."2.0.1" =
+    self.by-version."string"."2.0.1";
+  by-version."string"."2.0.1" = self.buildNodePackage {
+    name = "string-2.0.1";
+    version = "2.0.1";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/string/-/string-2.0.1.tgz";
+      name = "string-2.0.1.tgz";
+      sha1 = "ef1473b3e11cb8158671856556959b9aff5fd759";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."string_decoder"."~0.10.x" =
+    self.by-version."string_decoder"."0.10.31";
+  by-version."string_decoder"."0.10.31" = self.buildNodePackage {
+    name = "string_decoder-0.10.31";
+    version = "0.10.31";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz";
+      name = "string_decoder-0.10.31.tgz";
+      sha1 = "62e203bc41766c6c28c9fc84301dab1c5310fa94";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."superagent"."0.21.0" =
+    self.by-version."superagent"."0.21.0";
+  by-version."superagent"."0.21.0" = self.buildNodePackage {
+    name = "superagent-0.21.0";
+    version = "0.21.0";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/superagent/-/superagent-0.21.0.tgz";
+      name = "superagent-0.21.0.tgz";
+      sha1 = "fb15027984751ee7152200e6cd21cd6e19a5de87";
+    };
+    deps = {
+      "qs-1.2.0" = self.by-version."qs"."1.2.0";
+      "formidable-1.0.14" = self.by-version."formidable"."1.0.14";
+      "mime-1.2.11" = self.by-version."mime"."1.2.11";
+      "component-emitter-1.1.2" = self.by-version."component-emitter"."1.1.2";
+      "methods-1.0.1" = self.by-version."methods"."1.0.1";
+      "cookiejar-2.0.1" = self.by-version."cookiejar"."2.0.1";
+      "debug-2.2.0" = self.by-version."debug"."2.2.0";
+      "reduce-component-1.0.1" = self.by-version."reduce-component"."1.0.1";
+      "extend-1.2.1" = self.by-version."extend"."1.2.1";
+      "form-data-0.1.3" = self.by-version."form-data"."0.1.3";
+      "readable-stream-1.0.27-1" = self.by-version."readable-stream"."1.0.27-1";
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."through"."2" =
+    self.by-version."through"."2.3.8";
+  by-version."through"."2.3.8" = self.buildNodePackage {
+    name = "through-2.3.8";
+    version = "2.3.8";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/through/-/through-2.3.8.tgz";
+      name = "through-2.3.8.tgz";
+      sha1 = "0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."through"."~2.3" =
+    self.by-version."through"."2.3.8";
+  by-spec."through"."~2.3.1" =
+    self.by-version."through"."2.3.8";
+  by-spec."type-is"."~1.5.6" =
+    self.by-version."type-is"."1.5.7";
+  by-version."type-is"."1.5.7" = self.buildNodePackage {
+    name = "type-is-1.5.7";
+    version = "1.5.7";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/type-is/-/type-is-1.5.7.tgz";
+      name = "type-is-1.5.7.tgz";
+      sha1 = "b9368a593cc6ef7d0645e78b2f4c64cbecd05e90";
+    };
+    deps = {
+      "media-typer-0.3.0" = self.by-version."media-typer"."0.3.0";
+      "mime-types-2.0.14" = self.by-version."mime-types"."2.0.14";
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."utils-merge"."1.0.0" =
+    self.by-version."utils-merge"."1.0.0";
+  by-version."utils-merge"."1.0.0" = self.buildNodePackage {
+    name = "utils-merge-1.0.0";
+    version = "1.0.0";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/utils-merge/-/utils-merge-1.0.0.tgz";
+      name = "utils-merge-1.0.0.tgz";
+      sha1 = "0294fb922bb9375153541c4f7096231f287c8af8";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."vary"."~1.0.0" =
+    self.by-version."vary"."1.0.1";
+  by-version."vary"."1.0.1" = self.buildNodePackage {
+    name = "vary-1.0.1";
+    version = "1.0.1";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/vary/-/vary-1.0.1.tgz";
+      name = "vary-1.0.1.tgz";
+      sha1 = "99e4981566a286118dfb2b817357df7993376d10";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."verror"."^1.4.0" =
+    self.by-version."verror"."1.6.0";
+  by-version."verror"."1.6.0" = self.buildNodePackage {
+    name = "verror-1.6.0";
+    version = "1.6.0";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/verror/-/verror-1.6.0.tgz";
+      name = "verror-1.6.0.tgz";
+      sha1 = "7d13b27b1facc2e2da90405eb5ea6e5bdd252ea5";
+    };
+    deps = {
+      "extsprintf-1.2.0" = self.by-version."extsprintf"."1.2.0";
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."websocket-driver".">=0.5.1" =
+    self.by-version."websocket-driver"."0.6.2";
+  by-version."websocket-driver"."0.6.2" = self.buildNodePackage {
+    name = "websocket-driver-0.6.2";
+    version = "0.6.2";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/websocket-driver/-/websocket-driver-0.6.2.tgz";
+      name = "websocket-driver-0.6.2.tgz";
+      sha1 = "8281dba3e299e5bd7a42b65d4577a8928c26f898";
+    };
+    deps = {
+      "websocket-extensions-0.1.1" = self.by-version."websocket-extensions"."0.1.1";
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."websocket-extensions".">=0.1.1" =
+    self.by-version."websocket-extensions"."0.1.1";
+  by-version."websocket-extensions"."0.1.1" = self.buildNodePackage {
+    name = "websocket-extensions-0.1.1";
+    version = "0.1.1";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/websocket-extensions/-/websocket-extensions-0.1.1.tgz";
+      name = "websocket-extensions-0.1.1.tgz";
+      sha1 = "76899499c184b6ef754377c2dbb0cd6cb55d29e7";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."winston"."0.8.0" =
+    self.by-version."winston"."0.8.0";
+  by-version."winston"."0.8.0" = self.buildNodePackage {
+    name = "winston-0.8.0";
+    version = "0.8.0";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/winston/-/winston-0.8.0.tgz";
+      name = "winston-0.8.0.tgz";
+      sha1 = "61d0830fa699706212206b0a2b5ca69a93043668";
+    };
+    deps = {
+      "async-0.2.10" = self.by-version."async"."0.2.10";
+      "colors-0.6.2" = self.by-version."colors"."0.6.2";
+      "cycle-1.0.3" = self.by-version."cycle"."1.0.3";
+      "eyes-0.1.8" = self.by-version."eyes"."0.1.8";
+      "pkginfo-0.3.0" = self.by-version."pkginfo"."0.3.0";
+      "stack-trace-0.0.9" = self.by-version."stack-trace"."0.0.9";
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+  by-spec."wordwrap"."~0.0.2" =
+    self.by-version."wordwrap"."0.0.3";
+  by-version."wordwrap"."0.0.3" = self.buildNodePackage {
+    name = "wordwrap-0.0.3";
+    version = "0.0.3";
+    bin = false;
+    src = fetchurl {
+      url = "http://registry.npmjs.org/wordwrap/-/wordwrap-0.0.3.tgz";
+      name = "wordwrap-0.0.3.tgz";
+      sha1 = "a3d5da6cd5c0bc0008d37234bbaf1bed63059107";
+    };
+    deps = {
+    };
+    optionalDependencies = {
+    };
+    peerDependencies = [];
+    os = [ ];
+    cpu = [ ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index db7d432896e9..0d20e184deb5 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/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 { };