DNS Servers

United States of America 5520 local DNS servers

Download list

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

  • 167.100.14.181

    Hanson Communications, Inc.

    AS397608

    Wagner

    43.0797, -98.2931

    100% uptime

    118ms
    |
    2ms
    |
    68ms
  • 40.134.246.138

    Windstream Communications LLC

    AS7029

    Wahoo

    41.2114, -96.6203

    100% uptime

    119ms
    |
    0ms
    |
    184ms
  • 71.77.138.0

    Charter Communications Inc

    AS11426

    Wake Forest

    35.9799, -78.5097

    98% uptime

    127ms
    |
    5ms
    |
    261ms
  • 75.183.213.246

    Charter Communications Inc

    AS11426

    Wake Forest

    35.9799, -78.5097

    100% uptime

    129ms
    |
    3ms
    |
    59ms
  • 64.185.117.132

    Pocketinet Communications, Inc

    AS23265

    Walla Walla

    46.0646, -118.3430

    100% uptime

    146ms
    |
    2ms
    |
    187ms
  • 137.83.22.219

    Point5 Managed Services, LLC

    AS13837

    Waltham

    42.3765, -71.2356

    100% uptime

    96ms
    |
    0ms
    |
    62ms
  • 154.39.2.90

    Charles River Operation

    AS64249

    Waltham

    42.3765, -71.2356

    97% uptime

    97ms
    |
    0ms
    |
    151ms
  • 24.38.190.90

    i3 Broadband

    AS25710

    Warren

    41.7304, -71.2826

    100% uptime

    106ms
    |
    2ms
    |
    238ms
  • 4.8.2.90

    Level 3 Parent, LLC

    AS3356

    Warrensburg

    38.7628, -93.7361

    100% uptime

    125ms
    |
    1ms
    |
    234ms
  • 24.103.189.157

    Charter Communications Inc

    AS11351

    Warrensburg

    43.4967, -73.7762

    100% uptime

    101ms
    |
    1ms
    |
    178ms
  • 15.204.177.154

    OVH SAS

    AS16276

    Warrenton

    38.7135, -77.7953

    98% uptime

    92ms
    |
    3ms
    |
    123ms
  • 15.204.192.231

    OVH SAS

    AS16276

    Warrenton

    38.7135, -77.7953

    100% uptime

    92ms
    |
    0ms
    |
    108ms
  • 15.204.199.30

    OVH SAS

    AS16276

    Warrenton

    38.7135, -77.7953

    100% uptime

    91ms
    |
    0ms
    |
    120ms
  • 15.204.209.89

    OVH SAS

    AS16276

    Warrenton

    38.7135, -77.7953

    97% uptime

    91ms
    |
    1ms
    |
    29ms
  • 15.204.224.77

    OVH SAS

    AS16276

    Warrenton

    38.7135, -77.7953

    100% uptime

    91ms
    |
    0ms
    |
    121ms
  • 15.204.224.91

    OVH SAS

    AS16276

    Warrenton

    38.7135, -77.7953

    100% uptime

    91ms
    |
    0ms
    |
    122ms
  • 15.204.228.131

    OVH SAS

    AS16276

    Warrenton

    38.7135, -77.7953

    92% uptime

    91ms
    |
    0ms
    |
    22ms
  • 15.204.231.78

    OVH SAS

    AS16276

    Warrenton

    38.7135, -77.7953

    98% uptime

    93ms
    |
    0ms
    |
    108ms
  • 15.204.233.167

    OVH SAS

    AS16276

    Warrenton

    38.7135, -77.7953

    100% uptime

    91ms
    |
    1ms
    |
    120ms
  • 15.204.237.19

    OVH SAS

    AS16276

    Warrenton

    38.7135, -77.7953

    92% uptime

    92ms
    |
    0ms
    |
    41ms
  • 15.204.245.78

    OVH SAS

    AS16276

    Warrenton

    38.7135, -77.7953

    100% uptime

    92ms
    |
    0ms
    |
    119ms
  • 15.204.249.240

    OVH SAS

    AS16276

    Warrenton

    38.7135, -77.7953

    100% uptime

    92ms
    |
    1ms
    |
    119ms
  • 40.160.27.129

    OVH SAS

    AS16276

    Warrenton

    38.7135, -77.7953

    100% uptime

    91ms
    |
    0ms
    |
    129ms
  • 47.50.221.126

    Charter Communications LLC

    AS20115

    Warrenton

    38.8114, -91.1415

    92% uptime

    142ms
    |
    2ms
    |
    342ms
  • 51.81.30.110

    OVH SAS

    AS16276

    Warrenton

    38.7135, -77.7953

    100% uptime

    91ms
    |
    1ms
    |
    120ms
  • 51.81.32.235

    OVH SAS

    AS16276

    Warrenton

    38.7135, -77.7953

    98% uptime

    92ms
    |
    0ms
    |
    119ms
  • 51.81.33.146

    OVH SAS

    AS16276

    Warrenton

    38.7135, -77.7953

    98% uptime

    91ms
    |
    0ms
    |
    121ms
  • 51.81.35.7

    OVH SAS

    AS16276

    Warrenton

    38.7135, -77.7953

    100% uptime

    91ms
    |
    0ms
    |
    120ms
  • 51.81.82.207

    OVH SAS

    AS16276

    Warrenton

    38.7135, -77.7953

    97% uptime

    91ms
    |
    0ms
    |
    122ms
  • 51.81.83.78

    OVH SAS

    AS16276

    Warrenton

    38.7135, -77.7953

    97% uptime

    90ms
    |
    1ms
    |
    127ms
  • 51.81.84.68

    OVH SAS

    AS16276

    Warrenton

    38.7135, -77.7953

    98% uptime

    91ms
    |
    0ms
    |
    121ms
  • 51.81.109.203

    OVH SAS

    AS16276

    Warrenton

    38.7135, -77.7953

    100% uptime

    92ms
    |
    0ms
    |
    40ms
  • 66.181.215.133

    Gateway Fiber LLC

    AS398113

    Warrenton

    38.8114, -91.1415

    100% uptime

    106ms
    |
    1ms
    |
    27ms
  • 104.234.50.170

    OVH SAS

    AS16276

    Warrenton

    38.7135, -77.7953

    97% uptime

    91ms
    |
    2ms
    |
    122ms
  • 135.148.92.102

    OVH SAS

    AS16276

    Warrenton

    38.7135, -77.7953

    98% uptime

    90ms
    |
    1ms
    |
    122ms
  • 135.148.148.7

    OVH SAS

    AS16276

    Warrenton

    38.7135, -77.7953

    100% uptime

    92ms
    |
    1ms
    |
    76ms
  • 135.148.151.12

    OVH SAS

    AS16276

    Warrenton

    38.7135, -77.7953

    97% uptime

    92ms
    |
    1ms
    |
    102ms
  • 147.135.10.32

    OVH SAS

    AS16276

    Warrenton

    38.7135, -77.7953

    100% uptime

    91ms
    |
    0ms
    |
    46ms
  • 147.135.68.99

    OVH SAS

    AS16276

    Warrenton

    38.7135, -77.7953

    98% uptime

    92ms
    |
    0ms
    |
    108ms
  • 147.135.79.194

    OVH SAS

    AS16276

    Warrenton

    38.7135, -77.7953

    98% uptime

    92ms
    |
    0ms
    |
    176ms
  • 184.174.96.47

    OVH SAS

    AS16276

    Warrenton

    38.7135, -77.7953

    98% uptime

    92ms
    |
    3ms
    |
    125ms
  • 96.253.60.133

    Verizon Business

    AS701

    Warwick

    41.7001, -71.4162

    100% uptime

    109ms
    |
    1ms
    |
    57ms
  • 15.204.226.28

    OVH SAS

    AS16276

    Washington

    38.8951, -77.0364

    100% uptime

    91ms
    |
    0ms
    |
    120ms
  • 15.204.226.93

    OVH SAS

    AS16276

    Washington

    38.8951, -77.0364

    100% uptime

    92ms
    |
    1ms
    |
    122ms
  • 20.85.230.145

    Microsoft Corporation

    AS8075

    Washington

    38.7135, -78.1594

    100% uptime

    95ms
    |
    1ms
    |
    125ms
  • 20.231.99.82

    Microsoft Corporation

    AS8075

    Washington

    38.7135, -78.1594

    100% uptime

    95ms
    |
    1ms
    |
    125ms
  • 38.54.7.69

    Kaopu Cloud HK Limited

    AS138915

    Washington

    38.8951, -77.0364

    100% uptime

    89ms
    |
    4ms
    |
    19ms
  • 38.54.7.70

    Kaopu Cloud HK Limited

    AS138915

    Washington

    38.8951, -77.0364

    100% uptime

    89ms
    |
    4ms
    |
    20ms
  • 38.54.7.71

    Kaopu Cloud HK Limited

    AS138915

    Washington

    38.8951, -77.0364

    100% uptime

    89ms
    |
    3ms
    |
    23ms
  • 38.54.7.72

    Kaopu Cloud HK Limited

    AS138915

    Washington

    38.8951, -77.0364

    100% uptime

    94ms
    |
    0ms
    |
    20ms
  • 38.54.7.73

    Kaopu Cloud HK Limited

    AS138915

    Washington

    38.8951, -77.0364

    100% uptime

    90ms
    |
    3ms
    |
    20ms
  • 38.54.7.74

    Kaopu Cloud HK Limited

    AS138915

    Washington

    38.8951, -77.0364

    100% uptime

    89ms
    |
    3ms
    |
    24ms
  • 38.54.7.75

    Kaopu Cloud HK Limited

    AS138915

    Washington

    38.8951, -77.0364

    100% uptime

    89ms
    |
    4ms
    |
    10ms
  • 38.54.7.76

    Kaopu Cloud HK Limited

    AS138915

    Washington

    38.8951, -77.0364

    100% uptime

    90ms
    |
    3ms
    |
    18ms
  • 38.54.7.77

    Kaopu Cloud HK Limited

    AS138915

    Washington

    38.8951, -77.0364

    100% uptime

    89ms
    |
    3ms
    |
    16ms
  • 38.54.7.78

    Kaopu Cloud HK Limited

    AS138915

    Washington

    38.8951, -77.0364

    100% uptime

    89ms
    |
    5ms
    |
    19ms
  • 38.54.7.79

    Kaopu Cloud HK Limited

    AS138915

    Washington

    38.8951, -77.0364

    100% uptime

    89ms
    |
    4ms
    |
    22ms
  • 38.54.7.80

    Kaopu Cloud HK Limited

    AS138915

    Washington

    38.8951, -77.0364

    100% uptime

    89ms
    |
    3ms
    |
    13ms
  • 38.70.1.162

    NewConnect, LLC

    AS400704

    Washington

    38.8951, -77.0364

    98% uptime

    103ms
    |
    2ms
    |
    59ms
  • 50.144.147.130

    Comcast Cable Communications, LLC

    AS7922

    Washington

    38.8951, -77.0364

    100% uptime

    104ms
    |
    0ms
    |
    118ms
  • 50.169.94.68

    Comcast Cable Communications, LLC

    AS7922

    Washington

    38.8951, -77.0364

    98% uptime

    105ms
    |
    21ms
    |
    146ms
  • 50.202.159.15

    CMR LLC

    AS22928

    Washington

    38.8951, -77.0364

    100% uptime

    101ms
    |
    2ms
    |
    151ms
  • 50.238.164.195

    Comcast Cable Communications, LLC

    AS7922

    Washington

    38.8951, -77.0364

    100% uptime

    105ms
    |
    1ms
    |
    40ms
  • 51.81.33.140

    OVH SAS

    AS16276

    Washington

    38.8951, -77.0364

    100% uptime

    90ms
    |
    0ms
    |
    123ms
  • 52.188.17.229

    Microsoft Corporation

    AS8075

    Washington

    38.7135, -78.1594

    100% uptime

    94ms
    |
    1ms
    |
    107ms
  • 57.152.18.228

    Microsoft Corporation

    AS8075

    Washington

    38.7135, -78.1594

    100% uptime

    92ms
    |
    1ms
    |
    128ms
  • 65.213.252.164

    Verizon Business

    AS701

    Washington

    38.8951, -77.0364

    100% uptime

    93ms
    |
    4ms
    |
    79ms
  • 66.82.124.130

    Hughes Network Systems, LLC

    AS63062

    Washington

    38.8951, -77.0364

    100% uptime

    88ms
    |
    0ms
    |
    82ms
  • 69.137.232.140

    Comcast Cable Communications, LLC

    AS7922

    Washington

    38.8951, -77.0364

    100% uptime

    110ms
    |
    1ms
    |
    220ms
  • 76.111.143.11

    Comcast Cable Communications, LLC

    AS7922

    Washington

    38.8951, -77.0364

    100% uptime

    116ms
    |
    2ms
    |
    167ms
  • 76.151.217.1

    Comcast Cable Communications, LLC

    AS7922

    Washington

    38.8951, -77.0364

    98% uptime

    116ms
    |
    2ms
    |
    208ms
  • 96.70.159.97

    Comcast Cable Communications, LLC

    AS7922

    Washington

    38.8951, -77.0364

    100% uptime

    115ms
    |
    2ms
    |
    74ms
  • 104.45.169.171

    Microsoft Corporation

    AS8075

    Washington

    38.7135, -78.1594

    100% uptime

    94ms
    |
    1ms
    |
    43ms
  • 108.18.47.206

    Verizon Business

    AS701

    Washington

    38.8951, -77.0364

    98% uptime

    96ms
    |
    4ms
    |
    3ms
  • 130.45.172.161

    Wilkes Communications, Inc.

    AS22191

    Washington

    35.5466, -77.0522

    100% uptime

    130ms
    |
    2ms
    |
    183ms
  • 134.33.240.68

    Microsoft Corporation

    AS8075

    Washington

    38.7135, -78.1594

    100% uptime

    94ms
    |
    1ms
    |
    20ms
  • 154.50.106.13

    WEBBING USA, INC.

    AS393559

    Washington

    38.8951, -77.0364

    97% uptime

    330ms
    |
    92ms
    |
    244ms
  • 154.50.106.15

    WEBBING USA, INC.

    AS393559

    Washington

    38.9014, -77.0504

    92% uptime

    243ms
    |
    91ms
    |
    240ms
  • 154.50.106.173

    WEBBING USA, INC.

    AS393559

    Washington

    38.9014, -77.0504

    100% uptime

    276ms
    |
    87ms
    |
    210ms
  • 154.50.107.16

    WEBBING USA, INC.

    AS393559

    Washington

    38.9014, -77.0504

    98% uptime

    225ms
    |
    59ms
    |
    223ms
  • 154.50.107.18

    WEBBING USA, INC.

    AS393559

    Washington

    38.8951, -77.0364

    98% uptime

    304ms
    |
    88ms
    |
    210ms
  • 154.50.107.102

    WEBBING USA, INC.

    AS393559

    Washington

    38.9014, -77.0504

    100% uptime

    234ms
    |
    64ms
    |
    266ms
  • 154.50.107.113

    WEBBING USA, INC.

    AS393559

    Washington

    38.9014, -77.0504

    97% uptime

    297ms
    |
    98ms
    |
    216ms
  • 154.50.107.123

    WEBBING USA, INC.

    AS393559

    Washington

    38.9014, -77.0504

    98% uptime

    264ms
    |
    82ms
    |
    250ms
  • 154.50.107.124

    WEBBING USA, INC.

    AS393559

    Washington

    38.9014, -77.0504

    100% uptime

    245ms
    |
    40ms
    |
    204ms
  • 154.50.107.189

    WEBBING USA, INC.

    AS393559

    Washington

    38.9014, -77.0504

    100% uptime

    258ms
    |
    87ms
    |
    208ms
  • 154.50.107.190

    WEBBING USA, INC.

    AS393559

    Washington

    38.9014, -77.0504

    100% uptime

    262ms
    |
    79ms
    |
    233ms
  • 154.50.107.208

    WEBBING USA, INC.

    AS393559

    Washington

    38.9014, -77.0504

    100% uptime

    259ms
    |
    55ms
    |
    272ms
  • 154.50.107.245

    WEBBING USA, INC.

    AS393559

    Washington

    38.8951, -77.0364

    98% uptime

    324ms
    |
    95ms
    |
    235ms
  • 154.50.107.246

    WEBBING USA, INC.

    AS393559

    Washington

    38.9014, -77.0504

    100% uptime

    365ms
    |
    91ms
    |
    261ms
  • 169.63.138.22

    IBM Cloud

    AS36351

    Washington

    38.8951, -77.0364

    100% uptime

    98ms
    |
    2ms
    |
    138ms
  • 172.174.237.83

    Microsoft Corporation

    AS8075

    Washington

    38.7135, -78.1594

    100% uptime

    95ms
    |
    1ms
    |
    40ms
  • 172.206.206.9

    Microsoft Corporation

    AS8075

    Washington

    38.7135, -78.1594

    100% uptime

    95ms
    |
    1ms
    |
    54ms
  • 172.210.85.156

    Microsoft Corporation

    AS8075

    Washington

    38.7135, -78.1594

    98% uptime

    95ms
    |
    1ms
    |
    128ms
  • 216.15.20.64

    RCN

    AS6079

    Washington

    38.8951, -77.0364

    100% uptime

    116ms
    |
    1ms
    |
    165ms
  • 216.176.99.58

    RTC Communications

    AS14574

    Washington

    38.6592, -87.1728

    100% uptime

    107ms
    |
    1ms
    |
    123ms
  • 216.176.99.59

    RTC Communications

    AS14574

    Washington

    38.6592, -87.1728

    100% uptime

    117ms
    |
    3ms
    |
    89ms
  • 24.33.125.200

    Charter Communications Inc

    AS10796

    Waterford

    39.5423, -81.6398

    97% uptime

    128ms
    |
    2ms
    |
    286ms
  • 65.87.53.1

    HARRISONVILLE TELEPHONE

    AS23155

    Waterloo

    38.3359, -90.1498

    100% uptime

    121ms
    |
    5ms
    |
    162ms
  • 96.35.242.46

    Charter Communications LLC

    AS20115

    Waterloo

    38.3359, -90.1498

    100% uptime

    131ms
    |
    1ms
    |
    76ms