diff --git a/pkgs/development/node-packages/default-v6.nix b/pkgs/development/node-packages/default-v6.nix
index 334c79a82672..759d3fc1f853 100644
--- a/pkgs/development/node-packages/default-v6.nix
+++ b/pkgs/development/node-packages/default-v6.nix
@@ -6,6 +6,13 @@ let
   };
 in
 nodePackages // {
+  dnschain =  nodePackages.dnschain.override (oldAttrs: {
+    buildInputs = oldAttrs.buildInputs ++ [ pkgs.makeWrapper nodePackages.coffee-script ];
+    postInstall = ''
+      wrapProgram $out/bin/dnschain --suffix PATH : ${pkgs.openssl.bin}/bin
+    '';
+  });
+
   node-inspector = nodePackages.node-inspector.override (oldAttrs: {
     buildInputs = oldAttrs.buildInputs ++ [ nodePackages.node-pre-gyp ];
   });
diff --git a/pkgs/servers/dnschain/default.nix b/pkgs/servers/dnschain/default.nix
deleted file mode 100644
index 52cccae50c52..000000000000
--- a/pkgs/servers/dnschain/default.nix
+++ /dev/null
@@ -1,51 +0,0 @@
-{ stdenv, fetchFromGitHub, callPackage, makeWrapper, openssl }:
-
-let
-  nodePackages = callPackage (import ../../top-level/node-packages.nix) {
-    self = nodePackages;
-    generated = ./package.nix;
-  };
-
-in nodePackages.buildNodePackage rec {
-  name    = "dnschain-${version}";
-  version = "0.5.3";
-
-  src = fetchFromGitHub {
-    owner  = "okTurtles";
-    repo   = "dnschain";
-    rev    = "a8d477f9ad33d7790f94ffc563e2205823e62515";
-    sha256 = "0j5glbxf0fxnxl4l1lysb3a619b18rk0l1ks57wd255llc2mw7zy";
-  };
-
-  deps = with nodePackages; [
-    by-spec."bluebird"."2.9.9"
-    by-spec."bottleneck"."1.5.x"
-    by-spec."event-stream"."3.2.2"
-    by-spec."express"."4.11.2"
-    by-spec."hiredis"."0.4.1"
-    by-spec."json-rpc2"."0.8.1"
-    by-spec."lodash"."3.1.0"
-    by-spec."native-dns"."git+https://github.com/okTurtles/node-dns.git#08433ec98f517eed3c6d5e47bdf62603539cd402"
-    by-spec."native-dns-packet"."0.1.1"
-    by-spec."nconf"."0.7.1"
-    by-spec."properties"."1.2.1"
-    by-spec."redis"."0.12.x"
-    by-spec."string"."2.0.1"
-    by-spec."winston"."0.8.0"
-    by-spec."superagent"."0.21.0"
-  ];
-
-  buildInputs = [ makeWrapper nodePackages.coffee-script ];
-  postInstall = ''
-      wrapProgram $out/bin/dnschain --suffix PATH : ${openssl.bin}/bin
-  '';
-
-  meta = with stdenv.lib; {
-    description = "A blockchain-based DNS + HTTP server";
-    homepage    = https://okturtles.com/;
-    license     = licenses.mpl20;
-    maintainers = with maintainers; [ rnhmjoj ];
-    platforms   = platforms.unix;
-  };
-
-}
diff --git a/pkgs/servers/dnschain/package.json b/pkgs/servers/dnschain/package.json
deleted file mode 100644
index fda40c8a90a6..000000000000
--- a/pkgs/servers/dnschain/package.json
+++ /dev/null
@@ -1,3 +0,0 @@
-[ "dnschain"
-, "coffee-script"
-]
diff --git a/pkgs/servers/dnschain/package.nix b/pkgs/servers/dnschain/package.nix
deleted file mode 100644
index 600f5a94684f..000000000000
--- a/pkgs/servers/dnschain/package.nix
+++ /dev/null
@@ -1,2188 +0,0 @@
-
-{ 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 = "https://registry.npmjs.org/accepts/-/accepts-1.2.13.tgz";
-      name = "accepts-1.2.13.tgz";
-      sha1 = "e5f1f3928c6d95fd96558c36ec3d9d0de4a6ecea";
-    };
-    deps = {
-      "mime-types-2.1.14" = self.by-version."mime-types"."2.1.14";
-      "negotiator-0.5.3" = self.by-version."negotiator"."0.5.3";
-    };
-    optionalDependencies = {
-    };
-    peerDependencies = [];
-    os = [ ];
-    cpu = [ ];
-  };
-  by-spec."assert-plus"."^1.0.0" =
-    self.by-version."assert-plus"."1.0.0";
-  by-version."assert-plus"."1.0.0" = self.buildNodePackage {
-    name = "assert-plus-1.0.0";
-    version = "1.0.0";
-    bin = false;
-    src = fetchurl {
-      url = "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz";
-      name = "assert-plus-1.0.0.tgz";
-      sha1 = "f12e0f3c5d77b0b1cdd9146942e4e96c1e4dd525";
-    };
-    deps = {
-    };
-    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 = "https://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 = "https://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 = "https://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 = "https://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 = "https://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 = "https://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 = "https://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 = "https://registry.npmjs.org/buffercursor/-/buffercursor-0.0.12.tgz";
-      name = "buffercursor-0.0.12.tgz";
-      sha1 = "78a9a7f4343ae7d820a8999acc80de591e25a779";
-    };
-    deps = {
-      "verror-1.9.0" = self.by-version."verror"."1.9.0";
-    };
-    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"."1.12.2";
-  by-version."coffee-script"."1.12.2" = self.buildNodePackage {
-    name = "coffee-script-1.12.2";
-    version = "1.12.2";
-    bin = true;
-    src = fetchurl {
-      url = "https://registry.npmjs.org/coffee-script/-/coffee-script-1.12.2.tgz";
-      name = "coffee-script-1.12.2.tgz";
-      sha1 = "0d4cbdee183f650da95419570c4929d08ef91376";
-    };
-    deps = {
-    };
-    optionalDependencies = {
-    };
-    peerDependencies = [];
-    os = [ ];
-    cpu = [ ];
-  };
-  "coffee-script" = self.by-version."coffee-script"."1.12.2";
-  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 = "https://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 = "https://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 = "https://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 = "https://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 = "https://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 = "https://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 = "https://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"."1.0.2" =
-    self.by-version."core-util-is"."1.0.2";
-  by-version."core-util-is"."1.0.2" = self.buildNodePackage {
-    name = "core-util-is-1.0.2";
-    version = "1.0.2";
-    bin = false;
-    src = fetchurl {
-      url = "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz";
-      name = "core-util-is-1.0.2.tgz";
-      sha1 = "b5fd54220aa2bc5ab57aab7140c940754503c1a7";
-    };
-    deps = {
-    };
-    optionalDependencies = {
-    };
-    peerDependencies = [];
-    os = [ ];
-    cpu = [ ];
-  };
-  by-spec."core-util-is"."~1.0.0" =
-    self.by-version."core-util-is"."1.0.2";
-  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 = "https://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 = "https://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 = "https://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"."2.6.0";
-  by-version."debug"."2.6.0" = self.buildNodePackage {
-    name = "debug-2.6.0";
-    version = "2.6.0";
-    bin = false;
-    src = fetchurl {
-      url = "https://registry.npmjs.org/debug/-/debug-2.6.0.tgz";
-      name = "debug-2.6.0.tgz";
-      sha1 = "bc596bcabe7617f11d9fa15361eded5608b8499b";
-    };
-    deps = {
-      "ms-0.7.2" = self.by-version."ms"."0.7.2";
-    };
-    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 = "https://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 = "https://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 = "https://registry.npmjs.org/depd/-/depd-1.0.1.tgz";
-      name = "depd-1.0.1.tgz";
-      sha1 = "80aec64c9d6d97e65cc2a9caa93c0aa6abf73aaa";
-    };
-    deps = {
-    };
-    optionalDependencies = {
-    };
-    peerDependencies = [];
-    os = [ ];
-    cpu = [ ];
-  };
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diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index b64dd498b6d0..a6109c55b6aa 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -11473,8 +11473,6 @@ with pkgs;
     inherit (perlPackages) Error MailDKIM MIMEtools NetServer;
   };
 
-  dnschain = callPackage ../servers/dnschain { };
-
   dovecot = callPackage ../servers/mail/dovecot { };
   dovecot_pigeonhole = callPackage ../servers/mail/dovecot/plugins/pigeonhole { };
   dovecot_antispam = callPackage ../servers/mail/dovecot/plugins/antispam { };