diff --git a/tools/ndns-add-rr-from-file.cpp b/tools/ndns-add-rr-from-file.cpp
new file mode 100644
index 0000000..4fc2066
--- /dev/null
+++ b/tools/ndns-add-rr-from-file.cpp
@@ -0,0 +1,118 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014, Regents of the University of California.
+ *
+ * This file is part of NDNS (Named Data Networking Domain Name Service).
+ * See AUTHORS.md for complete list of NDNS authors and contributors.
+ *
+ * NDNS is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * NDNS is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * NDNS, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "mgmt/management-tool.hpp"
+#include "ndns-label.hpp"
+#include "logger.hpp"
+#include <boost/program_options.hpp>
+#include <boost/filesystem.hpp>
+#include <string>
+
+
+// @todo combine this command with ndns-add-rr
+int
+main(int argc, char* argv[])
+{
+  using std::string;
+  using namespace ndn;
+  using namespace ndns;
+
+  ndn::ndns::log::init();
+  int ttlInt = -1;
+  string zoneStr;
+  string dskStr;
+  string db;
+  string file = "-";
+  try {
+    namespace po = boost::program_options;
+    po::variables_map vm;
+
+    po::options_description options("Generic Options");
+    options.add_options()
+      ("help,h", "print help message")
+      ("db,b", po::value<std::string>(&db), "Set the path of NDNS server database. "
+        "Default: " DEFAULT_DATABASE_PATH "/ndns.db")
+      ;
+
+    po::options_description config("Record Options");
+    config.add_options()
+      ("file,f", po::value<string>(&file), "Path to the data. Default is stdin(-)")
+      ("dsk,d", po::value<std::string>(&dskStr), "Set the name of DSK's certificate. "
+        "Default: use default DSK and its default certificate")
+      ("ttl,a", po::value<int>(&ttlInt), "Set ttl of the rrset. Default: 3600 seconds")
+      ;
+
+    options.add(config);
+
+    po::options_description hidden("Hidden Options");
+    hidden.add_options()
+      ("zone", po::value<string>(&zoneStr), "host zone name")
+      ;
+
+    po::positional_options_description postion;
+    postion.add("zone", 1);
+    postion.add("file", 1);
+
+    po::options_description cmdlineOptions;
+    cmdlineOptions.add(options).add(hidden);
+
+    // po::options_description config_file_options;
+    // config_file_options.add(config).add(hidden);
+
+    po::parsed_options parsed =
+      po::command_line_parser(argc, argv).options(cmdlineOptions).positional(postion).run();
+
+    po::store(parsed, vm);
+    po::notify(vm);
+
+    if (vm.count("help")) {
+      std::cout << "Usage: ndns-add-rr-from-file [-b db] zone [-f file] [-d dskCert] [-a ttl]"
+        " [file]" << std::endl
+                << std::endl;
+      std::cout << options << std::endl;
+      return 0;
+    }
+
+    if (vm.count("zone") == 0) {
+      std::cerr << "Error: zone must be specified" << std::endl;
+      return 1;
+    }
+  }
+  catch (const std::exception& ex) {
+    std::cerr << "Parameter Error: " << ex.what() << std::endl;
+    return 1;
+  }
+
+  try {
+    Name zoneName(zoneStr);
+    Name dskName(dskStr);
+    time::seconds ttl;
+    if (ttlInt == -1)
+      ttl = ndns::DEFAULT_CACHE_TTL;
+    else
+      ttl = time::seconds(ttlInt);
+
+    ndn::ndns::ManagementTool tool(db);
+    tool.addRrSet(zoneName, file, ttl, dskName);
+  }
+  catch (const std::exception& ex) {
+    std::cerr << "Error: " << ex.what() << std::endl;
+    return 1;
+  }
+}
diff --git a/tools/ndns-add-rr.cpp b/tools/ndns-add-rr.cpp
new file mode 100644
index 0000000..47e7121
--- /dev/null
+++ b/tools/ndns-add-rr.cpp
@@ -0,0 +1,161 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014, Regents of the University of California.
+ *
+ * This file is part of NDNS (Named Data Networking Domain Name Service).
+ * See AUTHORS.md for complete list of NDNS authors and contributors.
+ *
+ * NDNS is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * NDNS is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * NDNS, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "mgmt/management-tool.hpp"
+#include "ndns-label.hpp"
+#include "logger.hpp"
+#include "util/util.hpp"
+
+#include <boost/program_options.hpp>
+#include <boost/filesystem.hpp>
+
+#include <string>
+
+int
+main(int argc, char* argv[])
+{
+  using std::string;
+  using namespace ndn;
+  using namespace ndns;
+
+  ndn::ndns::log::init();
+  int ttlInt = -1;
+  int versionInt = -1;
+  string zoneStr;
+  Name dsk;
+  string db;
+  string rrLabelStr;
+  string rrTypeStr;
+  string ndnsTypeStr;
+  std::vector<std::string> content;
+  try {
+    namespace po = boost::program_options;
+    po::variables_map vm;
+
+    po::options_description options("Generic Options");
+    options.add_options()
+      ("help,h", "print help message")
+      ("db,b", po::value<std::string>(&db), "Set the path of NDNS server database. "
+        "Default: " DEFAULT_DATABASE_PATH "/ndns.db")
+      ;
+
+    po::options_description config("Record Options");
+    config.add_options()
+      ("content-type,t", po::value<string>(&ndnsTypeStr), "Set the ndnsType of the resource record."
+        "Options: resp|nack|auth|raw (will try guess type by default)")
+      ("dsk,d", po::value<Name>(&dsk), "Set the name of DSK's certificate. "
+        "Default: use default DSK and its default certificate")
+      ("content,c", po::value<std::vector<std::string>>(&content),
+       "Set the content of resource record. Default: empty string")
+      ("ttl,a", po::value<int>(&ttlInt), "Set ttl of the rrset. Default: 3600 seconds")
+      ("version,v", po::value<int>(&ttlInt), "Set version of the rrset. Default: Unix Timestamp")
+      ;
+
+    // add "Record Options" as a separate section
+    options.add(config);
+
+    po::options_description hidden("Hidden Options");
+    hidden.add_options()
+      ("zone", po::value<string>(&zoneStr), "host zone name")
+      ("label", po::value<string>(&rrLabelStr), "label of resource record.")
+      ("type", po::value<string>(&rrTypeStr), "Set the type of resource record.")
+      ;
+
+    po::positional_options_description positional;
+    positional.add("zone", 1);
+    positional.add("label", 1);
+    positional.add("type", 1);
+    positional.add("content", -1);
+
+    po::options_description cmdlineOptions;
+    cmdlineOptions.add(options).add(hidden);
+
+    // po::options_description configFileOptions;
+    // configFileOptions.add(config).add(hidden);
+
+    po::parsed_options parsed =
+      po::command_line_parser(argc, argv).options(cmdlineOptions).positional(positional).run();
+
+    po::store(parsed, vm);
+    po::notify(vm);
+
+
+    if (vm.count("help")) {
+      std::cout << "Usage: ndns-add-rr [options] zone label type [content ...]" << std::endl
+                << std::endl;
+      std::cout << options << std::endl;
+      return 0;
+    }
+
+    if (vm.count("zone") == 0) {
+      std::cerr << "Error: zone, label, and type must be specified" << std::endl;
+      return 1;
+    }
+
+    if (vm.count("label") == 0) {
+      std::cerr << "Error: label and type must be specified" << std::endl;
+      return 1;
+    }
+
+    if (vm.count("type") == 0) {
+      std::cerr << "Error: type must be specified" << std::endl;
+      return 1;
+    }
+  }
+  catch (const std::exception& ex) {
+    std::cerr << "Parameter Error: " << ex.what() << std::endl;
+    return 1;
+  }
+
+  try {
+    Name zoneName(zoneStr);
+    Name label(rrLabelStr);
+    name::Component type(rrTypeStr);
+
+    if (ndnsTypeStr.empty()) {
+      if (rrTypeStr == "NS" || rrTypeStr == "TXT")
+        ndnsTypeStr = "resp";
+      else if (rrTypeStr == "ID-CERT") {
+        ndnsTypeStr = "raw";
+      }
+      else {
+        std::cerr << "Error: content type needs to be explicitly set using --content-type option"
+                  << std::endl;
+        return 1;
+      }
+    }
+    NdnsType ndnsType = ndns::toNdnsType(ndnsTypeStr);
+    time::seconds ttl;
+    if (ttlInt == -1)
+      ttl = ndns::DEFAULT_CACHE_TTL;
+    else
+      ttl = time::seconds(ttlInt);
+    uint64_t version = static_cast<uint64_t>(versionInt);
+
+    ndn::ndns::ManagementTool tool(db);
+    tool.addRrSet(zoneName, label, type, ndnsType, version, content, dsk, ttl);
+
+    /// @todo Report success or failure
+    //        May be also show the inserted record in ndns-list-zone format
+  }
+  catch (const std::exception& ex) {
+    std::cerr << "Error: " << ex.what() << std::endl;
+    return 1;
+  }
+}
diff --git a/tools/ndns-create-zone.cpp b/tools/ndns-create-zone.cpp
new file mode 100644
index 0000000..0893bc7
--- /dev/null
+++ b/tools/ndns-create-zone.cpp
@@ -0,0 +1,133 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014, Regents of the University of California.
+ *
+ * This file is part of NDNS (Named Data Networking Domain Name Service).
+ * See AUTHORS.md for complete list of NDNS authors and contributors.
+ *
+ * NDNS is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * NDNS is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * NDNS, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "mgmt/management-tool.hpp"
+#include "ndns-label.hpp"
+#include "logger.hpp"
+#include "config.hpp"
+
+#include <boost/program_options.hpp>
+#include <boost/filesystem.hpp>
+#include <string>
+
+int
+main(int argc, char* argv[])
+{
+  using std::string;
+  using namespace ndn;
+  ndn::ndns::log::init();
+  int cacheTtlInt = -1;
+  int certTtlInt = -1;
+  string zoneStr;
+  string parentStr;
+  string dskStr;
+  string kskStr;
+  string db;
+  try {
+    namespace po = boost::program_options;
+    po::variables_map vm;
+
+    po::options_description options("Generic Options");
+    options.add_options()
+      ("help,h", "print help message")
+      ("db,b", po::value<std::string>(&db), "Set the path of NDNS server database. "
+        "Default: " DEFAULT_DATABASE_PATH "/ndns.db")
+      ;
+
+    po::options_description config("Zone Options");
+    config.add_options()
+      ("cacheTtl,a", po::value<int>(&cacheTtlInt), "Set ttl of records of the zone and its "
+        "DSK ID-CERT. Default: 3600 seconds")
+      ("certTtl,e", po::value<int>(&certTtlInt), "Set ttl of DSK and KSK certificates. "
+        "Default: 365 days")
+      ("parent,p", po::value<std::string>(&parentStr), "Set the parent zone of the zone to be "
+        "created. Default: the zone's direct parent")
+      ("dsk,d", po::value<std::string>(&dskStr), "Set the name of DSK's certificate, "
+        "Default: generate new key and certificate")
+      ("ksk,k", po::value<std::string>(&kskStr), "Set the name of KSK's certificate, "
+        "Default: generate new key and certificate")
+      ;
+
+    options.add(config);
+
+    po::options_description hidden("Hidden Options");
+    hidden.add_options()
+      ("zone", po::value<string>(&zoneStr), "name of the zone to be created")
+      ;
+    po::positional_options_description postion;
+    postion.add("zone", 1);
+
+    po::options_description cmdline_options;
+    cmdline_options.add(options).add(hidden);
+
+    // po::options_description config_file_options;
+    // config_file_options.add(config).add(hidden);
+
+    po::parsed_options parsed =
+      po::command_line_parser(argc, argv).options(cmdline_options).positional(postion).run();
+
+    po::store(parsed, vm);
+    po::notify(vm);
+
+    if (vm.count("help")) {
+      std::cout << "Usage: ndns-create-zone [-b db] zone [-a cacheTtl] [-e certTtl] [-p parent] "
+        "[-d dskCert] [-k kskCert]" << std::endl;
+      std::cout << options << std::endl;
+      return 0;
+    }
+
+    if (vm.count("zone") == 0) {
+      std::cerr << "Error: zone must be specified" << std::endl;
+      return 1;
+    }
+  }
+  catch (const std::exception& ex) {
+    std::cerr << "Parameter Error: " << ex.what() << std::endl;
+    return 1;
+  }
+
+  try {
+    Name zone(zoneStr);
+    Name parent(parentStr);
+    if (!zone.empty() && parentStr.empty())
+      parent = zone.getPrefix(-1);
+
+    Name ksk(kskStr);
+    Name dsk(dskStr);
+
+    time::seconds cacheTtl;
+    time::seconds certTtl;
+    if (cacheTtlInt == -1)
+      cacheTtl = ndns::DEFAULT_CACHE_TTL;
+    else
+      cacheTtl = time::seconds(cacheTtlInt);
+
+    if (certTtlInt == -1)
+      certTtl = ndns::DEFAULT_CERT_TTL;
+    else
+      certTtl = time::seconds(certTtlInt);
+
+    ndn::ndns::ManagementTool tool(db);
+    tool.createZone(zone, parent, cacheTtl, certTtl, ksk, dsk);
+  }
+  catch (const std::exception& ex) {
+    std::cerr << "Error: " << ex.what() << std::endl;
+    return 1;
+  }
+}
diff --git a/tools/ndns-delete-zone.cpp b/tools/ndns-delete-zone.cpp
new file mode 100644
index 0000000..12bc7f3
--- /dev/null
+++ b/tools/ndns-delete-zone.cpp
@@ -0,0 +1,88 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014, Regents of the University of California.
+ *
+ * This file is part of NDNS (Named Data Networking Domain Name Service).
+ * See AUTHORS.md for complete list of NDNS authors and contributors.
+ *
+ * NDNS is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * NDNS is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * NDNS, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "mgmt/management-tool.hpp"
+#include "ndns-label.hpp"
+#include "logger.hpp"
+#include <boost/program_options.hpp>
+#include <boost/filesystem.hpp>
+#include <string>
+
+int
+main(int argc, char* argv[])
+{
+  using std::string;
+  using namespace ndn;
+  ndn::ndns::log::init();
+  string zoneStr;
+  string db;
+  try {
+    namespace po = boost::program_options;
+    po::variables_map vm;
+
+    po::options_description options("Generic Options");
+    options.add_options()
+      ("help,h", "print help message")
+      ("db,b", po::value<std::string>(&db), "Set the path of NDNS server database."
+        "Default: " DEFAULT_DATABASE_PATH "/ndns.db")
+      ;
+
+    po::options_description hidden("Hidden Options");
+    hidden.add_options()
+      ("zone", po::value<string>(&zoneStr), "name of the zone to be deleted")
+      ;
+    po::positional_options_description postion;
+    postion.add("zone", 1);
+
+    po::options_description cmdline_options;
+    cmdline_options.add(options).add(hidden);
+
+    po::parsed_options parsed =
+      po::command_line_parser(argc, argv).options(cmdline_options).positional(postion).run();
+
+    po::store(parsed, vm);
+    po::notify(vm);
+
+    if (vm.count("help")) {
+      std::cout << "Usage: ndns-delete-zone zone [-b db]" << std::endl;
+      std::cout << options << std::endl;
+      return 0;
+    }
+
+    if (vm.count("zone") == 0) {
+      std::cerr << "Error: zone must be specified" << std::endl;
+      return 1;
+    }
+  }
+  catch (const std::exception& ex) {
+    std::cerr << "Parameter Error: " << ex.what() << std::endl;
+    return 1;
+  }
+
+  try {
+    Name zone(zoneStr);
+
+    ndn::ndns::ManagementTool tool(db);
+    tool.deleteZone(zone);
+  }
+  catch (const std::exception& ex) {
+    std::cerr << "Error: " << ex.what() << std::endl;
+    return 1;
+  }
+}
diff --git a/tools/ndns-export-certificate.cpp b/tools/ndns-export-certificate.cpp
new file mode 100644
index 0000000..701aa20
--- /dev/null
+++ b/tools/ndns-export-certificate.cpp
@@ -0,0 +1,103 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014, Regents of the University of California.
+ *
+ * This file is part of NDNS (Named Data Networking Domain Name Service).
+ * See AUTHORS.md for complete list of NDNS authors and contributors.
+ *
+ * NDNS is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * NDNS is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * NDNS, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "mgmt/management-tool.hpp"
+#include "ndns-label.hpp"
+#include "logger.hpp"
+#include <boost/program_options.hpp>
+#include <boost/filesystem.hpp>
+#include <string>
+
+int
+main(int argc, char* argv[])
+{
+  using std::string;
+  using namespace ndn;
+  using namespace ndns;
+
+  ndn::ndns::log::init();
+  string certStr;
+  string db;
+  string output = "-";
+  try {
+    namespace po = boost::program_options;
+    po::variables_map vm;
+
+    po::options_description options("Generic Options");
+    options.add_options()
+      ("help,h", "print help message")
+      ("db,b", po::value<std::string>(&db), "Set the path of NDNS server database. "
+        "Default: " DEFAULT_DATABASE_PATH "/ndns.db");
+
+    po::options_description config("Output Options");
+    config.add_options()
+      ("output,o", po::value<string>(&output), "Set the output path of the to be export cert. "
+        "Default: stdout(-)")
+      ;
+
+    options.add(config);
+
+    po::options_description hidden("Hidden Options");
+    hidden.add_options()
+      ("certName", po::value<string>(&certStr), "the name of the certificate")
+      ;
+
+    po::positional_options_description postion;
+    postion.add("certName", 1);
+
+    po::options_description cmdline_options;
+    cmdline_options.add(options).add(hidden);
+
+    // po::options_description config_file_options;
+    // config_file_options.add(config).add(hidden);
+
+    po::parsed_options parsed =
+      po::command_line_parser(argc, argv).options(cmdline_options).positional(postion).run();
+
+    po::store(parsed, vm);
+    po::notify(vm);
+
+    if (vm.count("help")) {
+      std::cout << "Usage: ndns-export-certificate [-b db] certificateName [-o output] "
+                << std::endl;
+      std::cout << options << std::endl;
+      return 0;
+    }
+
+    if (vm.count("certName") == 0) {
+      std::cerr << "Error: certificate name must be specified" << std::endl;
+      return 1;
+    }
+  }
+  catch (const std::exception& ex) {
+    std::cerr << "Parameter Error: " << ex.what() << std::endl;
+    return 1;
+  }
+
+  try {
+    Name certName(certStr);
+
+    ndn::ndns::ManagementTool tool(db);
+    tool.exportCertificate(certName, output);
+  }
+  catch (const std::exception& ex) {
+    std::cerr << "Error: " << ex.what() << std::endl;
+    return 1;
+  }
+}
diff --git a/tools/ndns-get-rr.cpp b/tools/ndns-get-rr.cpp
new file mode 100644
index 0000000..bdf86e0
--- /dev/null
+++ b/tools/ndns-get-rr.cpp
@@ -0,0 +1,109 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014, Regents of the University of California.
+ *
+ * This file is part of NDNS (Named Data Networking Domain Name Service).
+ * See AUTHORS.md for complete list of NDNS authors and contributors.
+ *
+ * NDNS is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * NDNS is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * NDNS, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "mgmt/management-tool.hpp"
+#include "ndns-label.hpp"
+#include "logger.hpp"
+#include <boost/program_options.hpp>
+#include <boost/filesystem.hpp>
+#include <string>
+
+int
+main(int argc, char* argv[])
+{
+  using std::string;
+  using namespace ndn;
+  using namespace ndns;
+
+  ndn::ndns::log::init();
+  string zoneStr;
+  string db;
+  string rrLabelStr;
+  string rrTypeStr;
+  try {
+    namespace po = boost::program_options;
+    po::variables_map vm;
+
+    po::options_description options("Generic Options");
+    options.add_options()
+      ("help,h", "print help message")
+      ("db,b", po::value<std::string>(&db), "Set the path of NDNS server database. "
+        "Default: " DEFAULT_DATABASE_PATH "/ndns.db")
+      ;
+
+    po::options_description hidden("Hidden Options");
+    hidden.add_options()
+      ("zone", po::value<string>(&zoneStr), "host zone name")
+      ("label", po::value<string>(&rrLabelStr), "label of the resource record.")
+      ("type", po::value<string>(&rrTypeStr), "type of the resource record.")
+      ;
+
+    po::positional_options_description postion;
+    postion.add("zone", 1);
+    postion.add("label", 1);
+    postion.add("type", 1);
+
+    po::options_description cmdline_options;
+    cmdline_options.add(options).add(hidden);
+
+    po::parsed_options parsed =
+      po::command_line_parser(argc, argv).options(cmdline_options).positional(postion).run();
+
+    po::store(parsed, vm);
+    po::notify(vm);
+
+    if (vm.count("help")) {
+      std::cout << "Usage: ndns-get-rr zone label type [-b db]" << std::endl;
+      std::cout << options << std::endl;
+      return 0;
+    }
+
+    if (vm.count("zone") == 0) {
+      std::cerr << "Error: zone must be specified" << std::endl;
+      return 1;
+    }
+
+    if (vm.count("label") == 0) {
+      std::cerr << "Error: label must be specified" << std::endl;
+      return 1;
+    }
+
+    if (vm.count("type") == 0) {
+      std::cerr << "Error: type must be specified" << std::endl;
+      return 1;
+    }
+  }
+  catch (const std::exception& ex) {
+    std::cerr << "Parameter Error: " << ex.what() << std::endl;
+    return 1;
+  }
+
+  try {
+    Name zoneName(zoneStr);
+    Name label(rrLabelStr);
+    name::Component type(rrTypeStr);
+
+    ndn::ndns::ManagementTool tool(db);
+    tool.getRrSet(zoneName, label, type, std::cout);
+  }
+  catch (const std::exception& ex) {
+    std::cerr << "Error: " << ex.what() << std::endl;
+    return 1;
+  }
+}
diff --git a/tools/ndns-list-all-zones.cpp b/tools/ndns-list-all-zones.cpp
new file mode 100644
index 0000000..98c33f3
--- /dev/null
+++ b/tools/ndns-list-all-zones.cpp
@@ -0,0 +1,80 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014, Regents of the University of California.
+ *
+ * This file is part of NDNS (Named Data Networking Domain Name Service).
+ * See AUTHORS.md for complete list of NDNS authors and contributors.
+ *
+ * NDNS is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * NDNS is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * NDNS, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "mgmt/management-tool.hpp"
+#include "ndns-label.hpp"
+#include "logger.hpp"
+#include <boost/program_options.hpp>
+#include <boost/filesystem.hpp>
+#include <string>
+#include <iostream>
+
+int
+main(int argc, char* argv[])
+{
+  using std::string;
+  using namespace ndn;
+  using namespace ndns;
+
+  ndn::ndns::log::init();
+  string zoneStr;
+  string db;
+  try {
+    namespace po = boost::program_options;
+    po::variables_map vm;
+
+    po::options_description options("Generic Options");
+    options.add_options()
+      ("help,h", "print help message")
+      ("db,b", po::value<std::string>(&db), "Set the path of NDNS server database. "
+        "Default: " DEFAULT_DATABASE_PATH "/ndns.db")
+      ;
+
+    po::positional_options_description postion;
+    postion.add("zone", 1);
+
+    po::options_description cmdline_options;
+    cmdline_options.add(options);
+
+    po::parsed_options parsed =
+      po::command_line_parser(argc, argv).options(cmdline_options).positional(postion).run();
+
+    po::store(parsed, vm);
+    po::notify(vm);
+
+    if (vm.count("help")) {
+      std::cout << "Usage: ndns-list-all-zones [-b db]" << std::endl;
+      std::cout << options << std::endl;
+      return 0;
+    }
+  }
+  catch (const std::exception& ex) {
+    std::cerr << "Parameter Error: " << ex.what() << std::endl;
+    return 1;
+  }
+
+  try {
+    ndn::ndns::ManagementTool tool(db);
+    tool.listAllZones(std::cout);
+  }
+  catch (const std::exception& ex) {
+    std::cerr << "Error: " << ex.what() << std::endl;
+    return 1;
+  }
+}
diff --git a/tools/ndns-list-zone.cpp b/tools/ndns-list-zone.cpp
new file mode 100644
index 0000000..f1a85a2
--- /dev/null
+++ b/tools/ndns-list-zone.cpp
@@ -0,0 +1,107 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014, Regents of the University of California.
+ *
+ * This file is part of NDNS (Named Data Networking Domain Name Service).
+ * See AUTHORS.md for complete list of NDNS authors and contributors.
+ *
+ * NDNS is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * NDNS is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * NDNS, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "mgmt/management-tool.hpp"
+#include "ndns-label.hpp"
+#include "logger.hpp"
+#include <boost/program_options.hpp>
+#include <boost/filesystem.hpp>
+#include <string>
+#include <iostream>
+
+int
+main(int argc, char* argv[])
+{
+  using std::string;
+  using namespace ndn;
+  using namespace ndns;
+
+  ndn::ndns::log::init();
+  string zoneStr;
+  string db;
+  bool printRaw = false;
+  try {
+    namespace po = boost::program_options;
+    po::variables_map vm;
+
+    po::options_description options("Generic Options");
+    options.add_options()
+      ("help,h", "print help message")
+      ("db,b", po::value<std::string>(&db), "Set the path of NDNS server database. "
+        "Default: " DEFAULT_DATABASE_PATH "/ndns.db");
+
+    po::options_description config("Output Options");
+    config.add_options()
+      ("printRaw,p", "Set to print raw data")
+      ;
+
+    options.add(config);
+
+    po::options_description hidden("Hidden Options");
+    hidden.add_options()
+      ("zone", po::value<string>(&zoneStr), "zone name to investigate")
+      ;
+
+    po::positional_options_description positional;
+    positional.add("zone", 1);
+
+    po::options_description cmdlineOptions;
+    cmdlineOptions.add(options).add(hidden);
+
+    // po::options_description config_file_options;
+    // config_file_options.add(config).add(hidden);
+
+    po::parsed_options parsed =
+      po::command_line_parser(argc, argv).options(cmdlineOptions).positional(positional).run();
+
+    po::store(parsed, vm);
+    po::notify(vm);
+
+    if (vm.count("help")) {
+      std::cout << "Usage: ndns-list-zone zone [-b db] [-p printRaw]" << std::endl
+                << std::endl;
+      std::cout << options << std::endl;
+      return 0;
+    }
+
+    if (vm.count("zone") == 0) {
+      std::cerr << "Error: zone must be specified" << std::endl;
+      return 1;
+    }
+
+    if (vm.count("printRaw") != 0) {
+      printRaw = true;
+    }
+  }
+  catch (const std::exception& ex) {
+    std::cerr << "Parameter Error: " << ex.what() << std::endl;
+    return 1;
+  }
+
+  try {
+    Name zoneName(zoneStr);
+
+    ndn::ndns::ManagementTool tool(db);
+    tool.listZone(zoneName, std::cout, printRaw);
+  }
+  catch (const std::exception& ex) {
+    std::cerr << "Error: " << ex.what() << std::endl;
+    return 1;
+  }
+}
diff --git a/tools/ndns-remove-rr.cpp b/tools/ndns-remove-rr.cpp
new file mode 100644
index 0000000..a3fdf89
--- /dev/null
+++ b/tools/ndns-remove-rr.cpp
@@ -0,0 +1,115 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014, Regents of the University of California.
+ *
+ * This file is part of NDNS (Named Data Networking Domain Name Service).
+ * See AUTHORS.md for complete list of NDNS authors and contributors.
+ *
+ * NDNS is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * NDNS is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * NDNS, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "mgmt/management-tool.hpp"
+#include "ndns-label.hpp"
+#include "logger.hpp"
+#include <boost/program_options.hpp>
+#include <boost/filesystem.hpp>
+#include <string>
+
+int
+main(int argc, char* argv[])
+{
+  using std::string;
+  using namespace ndn;
+  using namespace ndns;
+
+  ndn::ndns::log::init();
+  string zoneStr;
+  string db;
+  string rrLabelStr;
+  string rrTypeStr;
+  try {
+    namespace po = boost::program_options;
+    po::variables_map vm;
+
+    po::options_description options("Generic Options");
+    options.add_options()
+      ("help,h", "print help message")
+      ("db,b", po::value<std::string>(&db), "Set the path of NDNS server database. "
+        "Default: " DEFAULT_DATABASE_PATH "/ndns.db");
+
+    po::options_description hidden("Hidden Options");
+    hidden.add_options()
+      ("zone", po::value<string>(&zoneStr), "host zone name")
+      ("label", po::value<string>(&rrLabelStr), "label of the resource record.")
+      ("type", po::value<string>(&rrTypeStr), "type of the resource record.")
+      ;
+
+    po::positional_options_description positional;
+    positional.add("zone", 1);
+    positional.add("label", 1);
+    positional.add("type", 1);
+
+    po::options_description cmdlineOptions;
+    cmdlineOptions.add(options).add(hidden);
+
+    // po::options_description configFileOptions;
+    // config_file_options.add(config).add(hidden);
+
+    po::parsed_options parsed =
+      po::command_line_parser(argc, argv).options(cmdlineOptions).positional(positional).run();
+
+    po::store(parsed, vm);
+    po::notify(vm);
+
+    if (vm.count("help")) {
+      std::cout << "Usage: ndns-remove-rr [-b db] zone label type" << std::endl
+                << std::endl;
+      std::cout << options << std::endl;
+      return 0;
+    }
+
+    if (vm.count("zone") == 0) {
+      std::cerr << "Error: zone, label, and type must be specified" << std::endl;
+      return 1;
+    }
+
+    if (vm.count("label") == 0) {
+      std::cerr << "Error: label and type must be specified" << std::endl;
+      return 1;
+    }
+
+    if (vm.count("type") == 0) {
+      std::cerr << "Error: type must be specified" << std::endl;
+      return 1;
+    }
+  }
+  catch (const std::exception& ex) {
+    std::cerr << "Parameter Error: " << ex.what() << std::endl;
+    return 1;
+  }
+
+  try {
+    Name zoneName(zoneStr);
+    Name label(rrLabelStr);
+    name::Component type(rrTypeStr);
+
+    ndn::ndns::ManagementTool tool(db);
+    tool.removeRrSet(zoneName, label, type);
+
+    /// @todo Report how many records have been removed
+    //        (or that the record was removed or record wasn't found)
+  }
+  catch (const std::exception& ex) {
+    std::cerr << "Error: " << ex.what() << std::endl;
+    return 1;
+  }
+}