DNS Servers

Japan 216 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

  • 64.176.46.191

    The Constant Company, LLC

    AS20473

    Osaka

    34.6938, 135.5011

    100% uptime

    239ms
    |
    1ms
    |
    277ms
  • 64.176.49.41

    The Constant Company, LLC

    AS20473

    Osaka

    34.6938, 135.5011

    94% uptime

    238ms
    |
    6ms
    |
    247ms
  • 64.176.60.37

    The Constant Company, LLC

    AS20473

    Osaka

    34.6938, 135.5011

    98% uptime

    247ms
    |
    40ms
    |
    247ms
  • 64.176.60.218

    The Constant Company, LLC

    AS20473

    Osaka

    34.6938, 135.5011

    99% uptime

    237ms
    |
    31ms
    |
    255ms
  • 103.26.27.251

    TelHi Corporation

    AS150369

    Osaka

    34.6938, 135.5011

    100% uptime

    255ms
    |
    1ms
    |
    340ms
  • 103.88.44.33

    xTom

    AS4785

    Osaka

    34.6938, 135.5011

    100% uptime

    288ms
    |
    8ms
    |
    305ms
  • 120.143.48.206

    NTT PC Communications, Inc.

    AS2514

    Osaka

    34.6938, 135.5011

    98% uptime

    264ms
    |
    3ms
    |
    437ms
  • 122.217.101.28

    ARTERIA Networks Corporation

    AS17506

    Osaka

    34.6938, 135.5011

    100% uptime

    256ms
    |
    0ms
    |
    291ms
  • 125.103.153.74

    ARTERIA Networks Corporation

    AS17506

    Osaka

    34.6938, 135.5011

    88% uptime

    246ms
    |
    0ms
    |
    289ms
  • 140.83.62.205

    Oracle Corporation

    AS31898

    Osaka

    34.6938, 135.5011

    100% uptime

    236ms
    |
    1ms
    |
    240ms
  • 152.69.204.216

    Oracle Corporation

    AS31898

    Osaka

    34.6938, 135.5011

    94% uptime

    237ms
    |
    0ms
    |
    275ms
  • 160.251.171.125

    GMO Internet Group, Inc.

    AS58791

    Osaka

    34.6938, 135.5011

    100% uptime

    262ms
    |
    8ms
    |
    312ms
  • 172.233.90.139

    Akamai Connected Cloud

    AS63949

    Osaka

    34.6938, 135.5011

    99% uptime

    244ms
    |
    9ms
    |
    276ms
  • 192.243.122.117

    IT7 Networks Inc

    AS25820

    Osaka

    34.6938, 135.5011

    98% uptime

    279ms
    |
    7ms
    |
    282ms
  • 211.1.228.61

    NTT SmartConnect Corporation

    AS7671

    Osaka

    34.6938, 135.5011

    94% uptime

    278ms
    |
    3ms
    |
    440ms
  • 125.30.20.13

    Internet Initiative Japan Inc.

    AS2497

    ÅŒta

    35.5613, 139.7160

    100% uptime

    254ms
    |
    11ms
    |
    590ms
  • 116.58.174.11

    NTT PC Communications, Inc.

    AS2514

    Sapporo

    43.0667, 141.3500

    100% uptime

    278ms
    |
    5ms
    |
    377ms
  • 153.212.234.143

    NTT DOCOMO BUSINESS,Inc.

    AS4713

    Sapporo

    43.0667, 141.3500

    100% uptime

    282ms
    |
    11ms
    |
    345ms
  • 131.147.205.105

    Sony Network Communications Inc.

    AS2527

    Tokorozawa

    35.7992, 139.4690

    100% uptime

    266ms
    |
    8ms
    |
    292ms
  • 61.201.24.249

    SoftBank Corp.

    AS4725

    Tokushima

    34.0667, 134.5667

    100% uptime

    264ms
    |
    0ms
    |
    326ms
  • 20.89.72.57

    Microsoft Corporation

    AS8075

    Tokyo

    35.6895, 139.6917

    100% uptime

    227ms
    |
    5ms
    |
    238ms
  • 27.123.14.19

    Ip Core Corporation

    AS38638

    Tokyo

    35.6895, 139.6917

    100% uptime

    262ms
    |
    0ms
    |
    302ms
  • 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
    |
    6ms
    |
    271ms
  • 39.110.242.208

    Sony Network Communications Inc.

    AS2527

    Tokyo

    35.6895, 139.6917

    100% uptime

    251ms
    |
    1ms
    |
    300ms
  • 43.251.56.1

    Skycloud Computing co., Ltd.

    AS7483

    Tokyo

    35.6895, 139.6917

    99% uptime

    239ms
    |
    6ms
    |
    272ms
  • 43.251.56.5

    Skycloud Computing co., Ltd.

    AS7483

    Tokyo

    35.6895, 139.6917

    100% uptime

    243ms
    |
    7ms
    |
    282ms
  • 43.251.56.6

    Skycloud Computing co., Ltd.

    AS7483

    Tokyo

    35.6895, 139.6917

    100% uptime

    241ms
    |
    7ms
    |
    272ms
  • 43.251.58.1

    Skycloud Computing co., Ltd.

    AS7483

    Tokyo

    35.6895, 139.6917

    100% uptime

    257ms
    |
    4ms
    |
    255ms
  • 43.251.58.3

    Skycloud Computing co., Ltd.

    AS7483

    Tokyo

    35.6895, 139.6917

    100% uptime

    245ms
    |
    6ms
    |
    268ms
  • 43.251.58.4

    Skycloud Computing co., Ltd.

    AS7483

    Tokyo

    35.6895, 139.6917

    99% uptime

    270ms
    |
    6ms
    |
    244ms
  • 43.251.59.1

    Skycloud Computing co., Ltd.

    AS7483

    Tokyo

    35.6895, 139.6917

    100% uptime

    262ms
    |
    6ms
    |
    256ms
  • 43.251.59.2

    Skycloud Computing co., Ltd.

    AS7483

    Tokyo

    35.6895, 139.6917

    100% uptime

    246ms
    |
    6ms
    |
    275ms
  • 45.8.113.225

    xTom Japan Corporation

    AS3258

    Tokyo

    35.6895, 139.6917

    100% uptime

    254ms
    |
    13ms
    |
    259ms
  • 45.135.161.139

    EDGENAT CLOUD

    AS400342

    Tokyo

    35.6895, 139.6917

    99% uptime

    218ms
    |
    26ms
    |
    229ms
  • 45.159.48.14

    xTom Japan Corporation

    AS3258

    Tokyo

    35.6895, 139.6917

    98% uptime

    273ms
    |
    5ms
    |
    288ms
  • 45.159.51.215

    xTom Japan Corporation

    AS3258

    Tokyo

    35.6895, 139.6917

    100% uptime

    274ms
    |
    7ms
    |
    284ms
  • 47.74.26.83

    Alibaba (US) Technology Co., Ltd.

    AS45102

    Tokyo

    35.6895, 139.6917

    100% uptime

    226ms
    |
    4ms
    |
    42ms
  • 47.245.33.180

    Alibaba (US) Technology Co., Ltd.

    AS45102

    Tokyo

    35.6895, 139.6917

    100% uptime

    224ms
    |
    4ms
    |
    242ms
  • 47.245.59.245

    Alibaba (US) Technology Co., Ltd.

    AS45102

    Tokyo

    35.6895, 139.6917

    100% uptime

    226ms
    |
    4ms
    |
    232ms
  • 50.7.61.75

    FDCservers.net

    AS30058

    Tokyo

    35.6895, 139.6917

    100% uptime

    246ms
    |
    6ms
    |
    257ms
  • 58.5.100.46

    ARTERIA Networks Corporation

    AS17506

    Tokyo

    35.6895, 139.6917

    94% uptime

    241ms
    |
    0ms
    |
    369ms
  • 59.86.108.20

    TOKAI Communications Corporation

    AS10010

    Tokyo

    35.6895, 139.6917

    100% uptime

    248ms
    |
    7ms
    |
    304ms
  • 60.112.111.144

    SoftBank Corp.

    AS17676

    Tokyo

    35.6895, 139.6917

    100% uptime

    237ms
    |
    14ms
    |
    266ms
  • 61.194.100.135

    NTT PC Communications, Inc.

    AS2514

    Tokyo

    35.6895, 139.6917

    100% uptime

    255ms
    |
    15ms
    |
    268ms
  • 65.181.4.115

    Space Exploration Technologies Corporation

    AS14593

    Tokyo

    35.6895, 139.6917

    100% uptime

    297ms
    |
    6ms
    |
    352ms
  • 74.176.207.150

    Microsoft Corporation

    AS8075

    Tokyo

    35.6895, 139.6917

    100% uptime

    235ms
    |
    7ms
    |
    241ms
  • 88.214.22.120

    xTom Japan Corporation

    AS3258

    Tokyo

    35.6895, 139.6917

    99% uptime

    271ms
    |
    9ms
    |
    262ms
  • 91.199.209.32

    xTom Japan Corporation

    AS3258

    Tokyo

    35.6895, 139.6917

    99% uptime

    260ms
    |
    4ms
    |
    286ms
  • 96.62.214.66

    Datacamp Limited

    AS212238

    Tokyo

    35.6895, 139.6917

    94% uptime

    254ms
    |
    4ms
    |
    26ms
  • 102.140.93.23

    Root Networks

    AS32708

    Tokyo

    35.6895, 139.6917

    99% uptime

    266ms
    |
    2ms
    |
    284ms
  • 103.75.118.98

    BrainStorm Network, Inc

    AS136258

    Tokyo

    35.6895, 139.6917

    98% uptime

    233ms
    |
    3ms
    |
    254ms
  • 103.129.137.1

    METAGE TECHNOLOGY PTE. LTD.

    AS150288

    Tokyo

    35.6895, 139.6917

    100% uptime

    254ms
    |
    4ms
    |
    276ms
  • 103.192.177.147

    HostUS

    AS7489

    Tokyo

    35.6895, 139.6917

    99% uptime

    327ms
    |
    9ms
    |
    310ms
  • 110.2.64.38

    FreeBit Co.,Ltd.

    AS10013

    Tokyo

    35.6895, 139.6917

    100% uptime

    250ms
    |
    5ms
    |
    272ms
  • 114.16.194.190

    KDDI CORPORATION

    AS2516

    Tokyo

    35.6895, 139.6917

    94% uptime

    268ms
    |
    1ms
    |
    303ms
  • 114.16.205.135

    KDDI CORPORATION

    AS2516

    Tokyo

    35.6895, 139.6917

    100% uptime

    267ms
    |
    4ms
    |
    298ms
  • 114.156.20.178

    NTT DOCOMO BUSINESS,Inc.

    AS4713

    Tokyo

    35.6895, 139.6917

    100% uptime

    262ms
    |
    6ms
    |
    306ms
  • 116.80.146.135

    NTT PC Communications, Inc.

    AS2514

    Tokyo

    35.6895, 139.6917

    100% uptime

    278ms
    |
    4ms
    |
    288ms
  • 125.103.169.194

    ARTERIA Networks Corporation

    AS17506

    Tokyo

    35.6895, 139.6917

    100% uptime

    242ms
    |
    0ms
    |
    252ms
  • 126.139.110.78

    SoftBank Corp.

    AS17676

    Tokyo

    35.6895, 139.6917

    100% uptime

    262ms
    |
    4ms
    |
    528ms
  • 133.242.178.181

    SAKURA Internet Inc.

    AS7684

    Tokyo

    35.6895, 139.6917

    100% uptime

    289ms
    |
    0ms
    |
    529ms
  • 134.122.137.158

    CTG Server Limited

    AS152194

    Tokyo

    35.6895, 139.6917

    99% uptime

    229ms
    |
    8ms
    |
    250ms
  • 134.122.137.174

    CTG Server Limited

    AS152194

    Tokyo

    35.6895, 139.6917

    100% uptime

    229ms
    |
    4ms
    |
    252ms
  • 134.122.137.177

    CTG Server Limited

    AS152194

    Tokyo

    35.6895, 139.6917

    100% uptime

    228ms
    |
    8ms
    |
    249ms
  • 139.162.90.88

    Akamai Connected Cloud

    AS63949

    Tokyo

    35.6895, 139.6917

    100% uptime

    251ms
    |
    1ms
    |
    268ms
  • 139.162.98.58

    Akamai Connected Cloud

    AS63949

    Tokyo

    35.6895, 139.6917

    99% uptime

    245ms
    |
    4ms
    |
    267ms
  • 139.162.107.204

    Akamai Connected Cloud

    AS63949

    Tokyo

    35.6895, 139.6917

    94% uptime

    255ms
    |
    5ms
    |
    263ms
  • 139.162.110.32

    Akamai Connected Cloud

    AS63949

    Tokyo

    35.6895, 139.6917

    100% uptime

    250ms
    |
    1ms
    |
    272ms
  • 141.11.139.104

    ByteVirt LLC

    AS212336

    Tokyo

    35.6895, 139.6917

    100% uptime

    257ms
    |
    3ms
    |
    260ms
  • 147.78.246.39

    xTom Japan Corporation

    AS3258

    Tokyo

    35.6895, 139.6917

    100% uptime

    279ms
    |
    2ms
    |
    273ms
  • 150.99.178.22

    Research Organization of Information and Systems, National Institute of Informatics

    AS2907

    Tokyo

    35.6895, 139.6917

    100% uptime

    274ms
    |
    3ms
    |
    276ms
  • 151.241.128.151

    DigitalVirt

    AS11161

    Tokyo

    35.6895, 139.6917

    100% uptime

    254ms
    |
    1ms
    |
    214ms
  • 151.242.164.244

    AkileCloud Network

    AS61112

    Tokyo

    35.6895, 139.6917

    98% uptime

    270ms
    |
    5ms
    |
    283ms
  • 152.165.31.84

    Sony Network Communications Inc.

    AS2527

    Tokyo

    35.6895, 139.6917

    94% uptime

    255ms
    |
    0ms
    |
    271ms
  • 152.165.119.232

    Sony Network Communications Inc.

    AS2527

    Tokyo

    35.6895, 139.6917

    99% uptime

    263ms
    |
    7ms
    |
    170ms
  • 153.121.44.21

    SAKURA Internet Inc.

    AS9370

    Tokyo

    35.6895, 139.6917

    98% uptime

    273ms
    |
    6ms
    |
    296ms
  • 153.121.65.118

    SAKURA Internet Inc.

    AS9370

    Tokyo

    35.6895, 139.6917

    100% uptime

    272ms
    |
    0ms
    |
    308ms
  • 153.122.173.167

    GMO GlobalSign Holdings K.K.

    AS131921

    Tokyo

    35.6895, 139.6917

    88% uptime

    258ms
    |
    0ms
    |
    24ms
  • 153.122.174.64

    GMO GlobalSign Holdings K.K.

    AS131921

    Tokyo

    35.6895, 139.6917

    100% uptime

    273ms
    |
    0ms
    |
    252ms
  • 153.122.199.4

    GMO GlobalSign Holdings K.K.

    AS131921

    Tokyo

    35.6895, 139.6917

    94% uptime

    235ms
    |
    0ms
    |
    283ms
  • 153.124.133.151

    GMO GlobalSign Holdings K.K.

    AS131921

    Tokyo

    35.6895, 139.6917

    100% uptime

    294ms
    |
    7ms
    |
    210ms
  • 153.124.133.250

    GMO GlobalSign Holdings K.K.

    AS131921

    Tokyo

    35.6895, 139.6917

    100% uptime

    236ms
    |
    0ms
    |
    265ms
  • 153.126.199.23

    SAKURA Internet Inc.

    AS7684

    Tokyo

    35.6895, 139.6917

    94% uptime

    294ms
    |
    1ms
    |
    396ms
  • 153.204.113.222

    NTT DOCOMO BUSINESS,Inc.

    AS4713

    Tokyo

    35.6895, 139.6917

    88% uptime

    274ms
    |
    6ms
    |
    298ms
  • 157.20.52.132

    EZSVS Japan Co., Ltd.

    AS151383

    Tokyo

    35.6895, 139.6917

    99% uptime

    278ms
    |
    5ms
    |
    332ms
  • 157.65.191.33

    NTT PC Communications, Inc.

    AS2514

    Tokyo

    35.6895, 139.6917

    94% uptime

    272ms
    |
    4ms
    |
    330ms
  • 160.16.51.133

    SAKURA Internet Inc.

    AS9370

    Tokyo

    35.6895, 139.6917

    100% uptime

    257ms
    |
    0ms
    |
    488ms
  • 160.16.209.95

    SAKURA Internet Inc.

    AS9370

    Tokyo

    35.6895, 139.6917

    94% uptime

    257ms
    |
    0ms
    |
    438ms
  • 160.187.29.33

    THX Corp.

    AS152868

    Tokyo

    35.6895, 139.6917

    94% uptime

    296ms
    |
    6ms
    |
    339ms
  • 160.187.29.34

    THX Corp.

    AS152868

    Tokyo

    35.6895, 139.6917

    99% uptime

    294ms
    |
    5ms
    |
    328ms
  • 160.251.81.17

    GMO Internet Group, Inc.

    AS7506

    Tokyo

    35.6895, 139.6917

    100% uptime

    254ms
    |
    5ms
    |
    265ms
  • 160.251.101.47

    GMO Internet Group, Inc.

    AS7506

    Tokyo

    35.6895, 139.6917

    94% uptime

    258ms
    |
    5ms
    |
    284ms
  • 161.248.63.63

    Alice Network

    AS215355

    Tokyo

    35.6895, 139.6917

    100% uptime

    219ms
    |
    0ms
    |
    239ms
  • 165.192.149.178

    IBM Cloud

    AS36351

    Tokyo

    35.6895, 139.6917

    100% uptime

    254ms
    |
    6ms
    |
    273ms
  • 172.104.64.167

    Akamai Connected Cloud

    AS63949

    Tokyo

    35.6895, 139.6917

    100% uptime

    251ms
    |
    2ms
    |
    267ms
  • 172.104.90.123

    Akamai Connected Cloud

    AS63949

    Tokyo

    35.6895, 139.6917

    100% uptime

    253ms
    |
    4ms
    |
    274ms
  • 195.245.242.206

    xTom Japan Corporation

    AS3258

    Tokyo

    35.6895, 139.6917

    100% uptime

    243ms
    |
    0ms
    |
    263ms
  • 202.144.195.2

    IPTELECOM ASIA

    AS55799

    Tokyo

    35.6895, 139.6917

    100% uptime

    227ms
    |
    1ms
    |
    288ms
  • 202.221.60.88

    Internet Initiative Japan Inc.

    AS2497

    Tokyo

    35.6895, 139.6917

    100% uptime

    298ms
    |
    7ms
    |
    345ms