DNS Servers

Japan 171 local DNS servers

For debugging only

This list is intended to help troubleshoot DNS issues. Do not configure these servers as your DNS resolver unless you know and trust the operator. A DNS resolver can log the domains you look up and can manipulate or block DNS responses.

Instead, use your ISP's default DNS server, or a global DNS server operated by an organisation you trust.

Global DNS servers

  • 178.239.126.101

    BAGE CLOUD LLC

    AS63150

    Akiruno

    35.7184, 139.2875

    96% uptime

    235ms
    |
    3ms
    |
    241ms
  • 153.120.88.148

    SAKURA Internet Inc.

    AS7684

    Asagaya-minami

    35.7021, 139.6375

    96% uptime

    290ms
    |
    2ms
    |
    318ms
  • 61.194.21.189

    NTT PC Communications, Inc.

    AS2514

    Chiba

    35.6000, 140.1167

    100% uptime

    253ms
    |
    5ms
    |
    464ms
  • 210.185.143.201

    Phoenix Communications Inc.

    AS10004

    Dorosaki

    36.7696, 137.9036

    93% uptime

    262ms
    |
    4ms
    |
    301ms
  • 219.117.251.131

    NTT PC Communications, Inc.

    AS2514

    Fukui-shi

    36.0644, 136.2226

    100% uptime

    266ms
    |
    5ms
    |
    538ms
  • 59.146.22.48

    Sony Network Communications Inc.

    AS2527

    Fukuoka

    33.6000, 130.4167

    96% uptime

    280ms
    |
    3ms
    |
    383ms
  • 125.56.0.22

    QTnet,Inc.

    AS7679

    Fukuoka

    33.6000, 130.4167

    100% uptime

    295ms
    |
    3ms
    |
    566ms
  • 103.5.23.112

    Internet Initiative Japan Inc.

    AS2497

    Hamamatsu

    34.7000, 137.7333

    96% uptime

    265ms
    |
    7ms
    |
    328ms
  • 131.186.32.203

    Oracle Corporation

    AS31898

    Inzai

    35.8089, 140.1185

    100% uptime

    250ms
    |
    6ms
    |
    266ms
  • 140.245.82.232

    Oracle Corporation

    AS31898

    Inzai

    35.8089, 140.1185

    98% uptime

    247ms
    |
    6ms
    |
    249ms
  • 168.138.200.16

    Oracle Corporation

    AS31898

    Inzai

    35.8089, 140.1185

    100% uptime

    249ms
    |
    6ms
    |
    269ms
  • 168.138.211.11

    Oracle Corporation

    AS31898

    Inzai

    35.8089, 140.1185

    100% uptime

    247ms
    |
    5ms
    |
    273ms
  • 202.51.37.228

    Ogaki Cable Television Co.,Inc.

    AS10003

    Kaizu

    35.2017, 136.6351

    96% uptime

    280ms
    |
    2ms
    |
    608ms
  • 45.143.131.176

    xTom Japan Corporation

    AS3258

    Kanda-jinbōchō

    35.6841, 139.7521

    99% uptime

    258ms
    |
    9ms
    |
    258ms
  • 158.51.109.77

    DDPS Networks, LLC

    AS18526

    Kanda-jinbōchō

    35.6738, 139.7616

    98% uptime

    273ms
    |
    4ms
    |
    282ms
  • 27.54.113.248

    Minamikyusyu CableTV Net Inc.

    AS45687

    Kirishima

    31.7409, 130.7629

    96% uptime

    260ms
    |
    2ms
    |
    358ms
  • 27.54.114.137

    Minamikyusyu CableTV Net Inc.

    AS45687

    Kirishima

    31.7409, 130.7629

    100% uptime

    247ms
    |
    0ms
    |
    368ms
  • 202.223.61.252

    Minamikyusyu CableTV Net Inc.

    AS45687

    Kirishima

    31.7409, 130.7629

    96% uptime

    261ms
    |
    1ms
    |
    360ms
  • 219.100.140.137

    Minamikyusyu CableTV Net Inc.

    AS45687

    Kirishima

    31.7409, 130.7629

    96% uptime

    292ms
    |
    8ms
    |
    331ms
  • 202.122.234.105

    Kurashiki Cable TV

    AS9622

    Kurashiki

    34.5833, 133.7667

    100% uptime

    282ms
    |
    1ms
    |
    302ms
  • 202.244.178.184

    Research Organization of Information and Systems, National Institute of Informatics

    AS2907

    Kurashiki

    34.5833, 133.7667

    93% uptime

    292ms
    |
    2ms
    |
    312ms
  • 219.163.8.19

    NTT DOCOMO BUSINESS,Inc.

    AS4713

    Kyoto

    35.0211, 135.7538

    100% uptime

    268ms
    |
    9ms
    |
    314ms
  • 116.82.30.104

    Sony Network Communications Inc.

    AS2527

    Machida

    35.5403, 139.4508

    100% uptime

    272ms
    |
    9ms
    |
    289ms
  • 172.86.208.209

    extride inc.

    AS63772

    Mendahigashi

    32.2417, 130.8966

    100% uptime

    287ms
    |
    2ms
    |
    612ms
  • 210.248.126.114

    NTT DOCOMO BUSINESS,Inc.

    AS4713

    Minamishimabara

    32.6733, 130.2675

    100% uptime

    278ms
    |
    9ms
    |
    364ms
  • 61.194.100.137

    NTT PC Communications, Inc.

    AS2514

    Minato City

    35.6581, 139.7515

    100% uptime

    252ms
    |
    11ms
    |
    272ms
  • 31.223.184.175

    G-Core Labs S.A.

    AS199524

    Monzen-nakachō

    35.6309, 139.7917

    100% uptime

    232ms
    |
    2ms
    |
    261ms
  • 89.233.109.82

    HIVELOCITY, Inc.

    AS29802

    Monzen-nakachō

    35.6630, 139.8078

    100% uptime

    218ms
    |
    1ms
    |
    264ms
  • 219.163.121.58

    NTT DOCOMO BUSINESS,Inc.

    AS4713

    Morioka

    39.7000, 141.1500

    100% uptime

    274ms
    |
    4ms
    |
    370ms
  • 119.82.24.67

    Tsukaeru.net, Web Hosting Company, Japan

    AS63997

    Nagano

    36.6500, 138.1833

    100% uptime

    272ms
    |
    7ms
    |
    298ms
  • 119.82.26.17

    Tsukaeru.net, Web Hosting Company, Japan

    AS63997

    Nagano

    36.6500, 138.1833

    100% uptime

    275ms
    |
    8ms
    |
    276ms
  • 118.10.224.187

    NTT DOCOMO BUSINESS,Inc.

    AS4713

    Nagasaki

    32.7500, 129.8833

    100% uptime

    281ms
    |
    7ms
    |
    368ms
  • 160.86.99.87

    Sony Network Communications Inc.

    AS2527

    Nagoya

    35.1815, 136.9064

    100% uptime

    273ms
    |
    2ms
    |
    240ms
  • 202.229.183.250

    NTT PC Communications, Inc.

    AS2514

    Nagoya

    35.1815, 136.9064

    100% uptime

    265ms
    |
    3ms
    |
    321ms
  • 182.169.127.98

    Sony Network Communications Inc.

    AS2527

    Narashino

    35.6818, 140.0415

    96% uptime

    255ms
    |
    2ms
    |
    271ms
  • 150.249.220.81

    Sony Network Communications Inc.

    AS2527

    Nihonbashi-bakurochō

    35.6933, 139.7817

    100% uptime

    252ms
    |
    1ms
    |
    272ms
  • 45.32.22.28

    The Constant Company, LLC

    AS20473

    Ōi

    35.6090, 139.7302

    99% uptime

    240ms
    |
    7ms
    |
    261ms
  • 45.32.36.43

    The Constant Company, LLC

    AS20473

    Ōi

    35.6090, 139.7302

    96% uptime

    239ms
    |
    14ms
    |
    261ms
  • 45.32.37.248

    The Constant Company, LLC

    AS20473

    Ōi

    35.6090, 139.7302

    99% uptime

    244ms
    |
    36ms
    |
    254ms
  • 45.32.49.228

    The Constant Company, LLC

    AS20473

    Ōi

    35.6090, 139.7302

    100% uptime

    250ms
    |
    55ms
    |
    250ms
  • 45.76.52.20

    The Constant Company, LLC

    AS20473

    Ōi

    35.6090, 139.7302

    100% uptime

    252ms
    |
    2ms
    |
    251ms
  • 45.76.54.232

    The Constant Company, LLC

    AS20473

    Ōi

    35.6090, 139.7302

    96% uptime

    240ms
    |
    2ms
    |
    269ms
  • 45.77.15.92

    The Constant Company, LLC

    AS20473

    Ōi

    35.6090, 139.7302

    100% uptime

    256ms
    |
    35ms
    |
    264ms
  • 45.77.28.204

    The Constant Company, LLC

    AS20473

    Ōi

    35.6090, 139.7302

    100% uptime

    240ms
    |
    4ms
    |
    266ms
  • 45.77.29.123

    The Constant Company, LLC

    AS20473

    Ōi

    35.6090, 139.7302

    99% uptime

    249ms
    |
    5ms
    |
    254ms
  • 66.42.39.42

    The Constant Company, LLC

    AS20473

    Ōi

    35.6090, 139.7302

    100% uptime

    241ms
    |
    3ms
    |
    253ms
  • 104.238.148.55

    The Constant Company, LLC

    AS20473

    Ōi

    35.6090, 139.7302

    96% uptime

    242ms
    |
    1ms
    |
    268ms
  • 108.61.201.129

    The Constant Company, LLC

    AS20473

    Ōi

    35.6090, 139.7302

    100% uptime

    243ms
    |
    3ms
    |
    260ms
  • 139.180.196.20

    The Constant Company, LLC

    AS20473

    Ōi

    35.6090, 139.7302

    98% uptime

    255ms
    |
    32ms
    |
    248ms
  • 149.28.31.106

    The Constant Company, LLC

    AS20473

    Ōi

    35.6090, 139.7302

    96% uptime

    248ms
    |
    6ms
    |
    275ms
  • 167.179.99.95

    The Constant Company, LLC

    AS20473

    Ōi

    35.6090, 139.7302

    100% uptime

    243ms
    |
    1ms
    |
    268ms
  • 167.179.102.147

    The Constant Company, LLC

    AS20473

    Ōi

    35.6090, 139.7302

    98% uptime

    240ms
    |
    49ms
    |
    254ms
  • 167.179.102.152

    The Constant Company, LLC

    AS20473

    Ōi

    35.6090, 139.7302

    100% uptime

    242ms
    |
    5ms
    |
    259ms
  • 167.179.110.32

    The Constant Company, LLC

    AS20473

    Ōi

    35.6090, 139.7302

    98% uptime

    239ms
    |
    19ms
    |
    259ms
  • 198.13.35.68

    The Constant Company, LLC

    AS20473

    Ōi

    35.6090, 139.7302

    100% uptime

    239ms
    |
    1ms
    |
    270ms
  • 198.13.58.167

    The Constant Company, LLC

    AS20473

    Ōi

    35.6090, 139.7302

    100% uptime

    240ms
    |
    33ms
    |
    252ms
  • 202.182.100.159

    The Constant Company, LLC

    AS20473

    Ōi

    35.6090, 139.7302

    100% uptime

    243ms
    |
    1ms
    |
    271ms
  • 202.182.114.44

    The Constant Company, LLC

    AS20473

    Ōi

    35.6090, 139.7302

    100% uptime

    240ms
    |
    2ms
    |
    266ms
  • 202.182.114.146

    The Constant Company, LLC

    AS20473

    Ōi

    35.6090, 139.7302

    100% uptime

    241ms
    |
    1ms
    |
    255ms
  • 207.148.91.174

    The Constant Company, LLC

    AS20473

    Ōi

    35.6090, 139.7302

    100% uptime

    241ms
    |
    1ms
    |
    265ms
  • 207.148.112.238

    The Constant Company, LLC

    AS20473

    Ōi

    35.6090, 139.7302

    100% uptime

    247ms
    |
    6ms
    |
    278ms
  • 38.47.96.157

    VMISS Inc.

    AS400464

    Osaka

    34.6938, 135.5011

    100% uptime

    270ms
    |
    1ms
    |
    282ms
  • 49.212.148.38

    SAKURA Internet Inc.

    AS9371

    Osaka

    34.6938, 135.5011

    93% uptime

    285ms
    |
    0ms
    |
    486ms
  • 58.191.60.25

    OPTAGE Inc.

    AS17511

    Osaka

    34.6938, 135.5011

    99% uptime

    266ms
    |
    3ms
    |
    281ms
  • 61.194.100.210

    NTT PC Communications, Inc.

    AS2514

    Osaka

    34.6938, 135.5011

    100% uptime

    259ms
    |
    2ms
    |
    282ms
  • 61.194.100.211

    NTT PC Communications, Inc.

    AS2514

    Osaka

    34.6938, 135.5011

    99% uptime

    259ms
    |
    3ms
    |
    280ms
  • 61.194.100.212

    NTT PC Communications, Inc.

    AS2514

    Osaka

    34.6938, 135.5011

    100% uptime

    260ms
    |
    3ms
    |
    284ms
  • 64.110.109.154

    Oracle Corporation

    AS31898

    Osaka

    34.6938, 135.5011

    100% uptime

    239ms
    |
    2ms
    |
    246ms
  • 64.176.43.5

    The Constant Company, LLC

    AS20473

    Osaka

    34.6938, 135.5011

    96% uptime

    237ms
    |
    2ms
    |
    260ms
  • 64.176.43.188

    The Constant Company, LLC

    AS20473

    Osaka

    34.6938, 135.5011

    100% uptime

    237ms
    |
    2ms
    |
    252ms
  • 64.176.45.203

    The Constant Company, LLC

    AS20473

    Osaka

    34.6938, 135.5011

    96% uptime

    246ms
    |
    10ms
    |
    260ms
  • 64.176.46.191

    The Constant Company, LLC

    AS20473

    Osaka

    34.6938, 135.5011

    100% uptime

    239ms
    |
    1ms
    |
    272ms
  • 64.176.49.41

    The Constant Company, LLC

    AS20473

    Osaka

    34.6938, 135.5011

    96% uptime

    238ms
    |
    7ms
    |
    248ms
  • 64.176.60.37

    The Constant Company, LLC

    AS20473

    Osaka

    34.6938, 135.5011

    98% uptime

    246ms
    |
    26ms
    |
    250ms
  • 64.176.60.218

    The Constant Company, LLC

    AS20473

    Osaka

    34.6938, 135.5011

    99% uptime

    237ms
    |
    33ms
    |
    255ms
  • 103.26.27.251

    TelHi Corporation

    AS150369

    Osaka

    34.6938, 135.5011

    100% uptime

    254ms
    |
    1ms
    |
    328ms
  • 103.88.44.33

    xTom

    AS4785

    Osaka

    34.6938, 135.5011

    100% uptime

    288ms
    |
    9ms
    |
    305ms
  • 120.143.48.206

    NTT PC Communications, Inc.

    AS2514

    Osaka

    34.6938, 135.5011

    98% uptime

    264ms
    |
    3ms
    |
    432ms
  • 122.217.101.28

    ARTERIA Networks Corporation

    AS17506

    Osaka

    34.6938, 135.5011

    100% uptime

    256ms
    |
    2ms
    |
    290ms
  • 125.103.153.74

    ARTERIA Networks Corporation

    AS17506

    Osaka

    34.6938, 135.5011

    93% uptime

    246ms
    |
    3ms
    |
    288ms
  • 152.69.204.216

    Oracle Corporation

    AS31898

    Osaka

    34.6938, 135.5011

    96% uptime

    238ms
    |
    3ms
    |
    271ms
  • 160.251.171.125

    GMO Internet Group, Inc.

    AS58791

    Osaka

    34.6938, 135.5011

    100% uptime

    262ms
    |
    9ms
    |
    318ms
  • 172.233.90.139

    Akamai Connected Cloud

    AS63949

    Osaka

    34.6938, 135.5011

    98% uptime

    249ms
    |
    10ms
    |
    276ms
  • 192.243.122.117

    IT7 Networks Inc

    AS25820

    Osaka

    34.6938, 135.5011

    98% uptime

    279ms
    |
    8ms
    |
    282ms
  • 125.30.20.13

    Internet Initiative Japan Inc.

    AS2497

    Ōta

    35.5613, 139.7160

    96% uptime

    255ms
    |
    14ms
    |
    579ms
  • 116.58.174.11

    NTT PC Communications, Inc.

    AS2514

    Sapporo

    43.0667, 141.3500

    100% uptime

    278ms
    |
    7ms
    |
    366ms
  • 153.212.234.143

    NTT DOCOMO BUSINESS,Inc.

    AS4713

    Sapporo

    43.0667, 141.3500

    100% uptime

    279ms
    |
    11ms
    |
    347ms
  • 131.147.205.105

    Sony Network Communications Inc.

    AS2527

    Tokorozawa

    35.7992, 139.4690

    100% uptime

    265ms
    |
    8ms
    |
    291ms
  • 61.201.24.249

    SoftBank Corp.

    AS4725

    Tokushima

    34.0667, 134.5667

    100% uptime

    264ms
    |
    1ms
    |
    318ms
  • 20.89.72.57

    Microsoft Corporation

    AS8075

    Tokyo

    35.6895, 139.6917

    100% uptime

    226ms
    |
    7ms
    |
    240ms
  • 27.123.14.19

    Ip Core Corporation

    AS38638

    Tokyo

    35.6895, 139.6917

    100% uptime

    262ms
    |
    1ms
    |
    300ms
  • 35.190.224.220

    Google LLC

    AS396982

    Tokyo

    35.6895, 139.6917

    100% uptime

    236ms
    |
    7ms
    |
    252ms
  • 38.207.130.216

    AkileCloud Network

    AS61112

    Tokyo

    35.6895, 139.6917

    99% uptime

    276ms
    |
    4ms
    |
    278ms
  • 39.110.242.208

    Sony Network Communications Inc.

    AS2527

    Tokyo

    35.6895, 139.6917

    100% uptime

    250ms
    |
    1ms
    |
    300ms
  • 43.251.56.1

    Skycloud Computing co., Ltd.

    AS7483

    Tokyo

    35.6895, 139.6917

    99% uptime

    239ms
    |
    7ms
    |
    279ms
  • 43.251.56.5

    Skycloud Computing co., Ltd.

    AS7483

    Tokyo

    35.6895, 139.6917

    100% uptime

    244ms
    |
    7ms
    |
    282ms
  • 43.251.56.6

    Skycloud Computing co., Ltd.

    AS7483

    Tokyo

    35.6895, 139.6917

    100% uptime

    241ms
    |
    7ms
    |
    273ms
  • 43.251.58.1

    Skycloud Computing co., Ltd.

    AS7483

    Tokyo

    35.6895, 139.6917

    100% uptime

    256ms
    |
    5ms
    |
    259ms
  • 43.251.58.3

    Skycloud Computing co., Ltd.

    AS7483

    Tokyo

    35.6895, 139.6917

    100% uptime

    245ms
    |
    6ms
    |
    269ms
  • 43.251.59.1

    Skycloud Computing co., Ltd.

    AS7483

    Tokyo

    35.6895, 139.6917

    100% uptime

    261ms
    |
    7ms
    |
    260ms