DNS Servers

United States of America 4611 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

  • 136.60.101.0

    Google Fiber Inc.

    AS16591

    Austin

    30.2672, -97.7431

    100% uptime

    126ms
    |
    1ms
    |
    161ms
  • 136.60.102.60

    Google Fiber Inc.

    AS16591

    Austin

    30.2672, -97.7431

    100% uptime

    126ms
    |
    1ms
    |
    161ms
  • 136.62.68.252

    Google Fiber Inc.

    AS16591

    Austin

    30.2672, -97.7431

    100% uptime

    125ms
    |
    1ms
    |
    162ms
  • 136.62.106.74

    Google Fiber Inc.

    AS16591

    Austin

    30.2672, -97.7431

    100% uptime

    128ms
    |
    1ms
    |
    160ms
  • 205.166.246.114

    Thin-nology, LLC

    AS55103

    Austin

    30.2672, -97.7431

    99% uptime

    144ms
    |
    1ms
    |
    169ms
  • 216.12.252.148

    AT&T Enterprises, LLC

    AS14654

    Austin

    30.2672, -97.7431

    100% uptime

    144ms
    |
    0ms
    |
    180ms
  • 68.48.217.152

    Comcast Cable Communications, LLC

    AS7922

    Bad Axe

    43.8020, -83.0008

    98% uptime

    126ms
    |
    3ms
    |
    52ms
  • 216.228.56.62

    Mid-Rivers Telephone Cooperative

    AS11961

    Baker

    46.3670, -104.2847

    100% uptime

    145ms
    |
    3ms
    |
    322ms
  • 63.199.69.112

    Applied Technology Group Inc.

    AS22352

    Bakersfield

    35.3733, -119.0187

    100% uptime

    170ms
    |
    20ms
    |
    273ms
  • 216.220.228.132

    GoNetSpeed

    AS11847

    Bangor

    44.7988, -68.7726

    100% uptime

    112ms
    |
    0ms
    |
    189ms
  • 12.195.181.16

    AT&T Enterprises, LLC

    AS7018

    Bardstown

    37.8092, -85.4669

    100% uptime

    147ms
    |
    14ms
    |
    222ms
  • 67.215.213.203

    City of Bardstown, Kentucky

    AS27202

    Bardstown

    37.8092, -85.4669

    100% uptime

    124ms
    |
    2ms
    |
    80ms
  • 160.2.94.149

    CABLE ONE, INC.

    AS11492

    Bartlesville

    36.7473, -95.9808

    100% uptime

    148ms
    |
    2ms
    |
    64ms
  • 143.170.219.142

    Granite Telecommunications LLC

    AS16504

    Barton Creek

    30.2852, -97.8692

    100% uptime

    127ms
    |
    2ms
    |
    159ms
  • 152.86.31.232

    Tallahatchie Valley Internet Services, LLC

    AS55120

    Batesville

    34.3115, -89.9443

    100% uptime

    131ms
    |
    1ms
    |
    207ms
  • 152.86.31.233

    Tallahatchie Valley Internet Services, LLC

    AS55120

    Batesville

    34.3115, -89.9443

    100% uptime

    132ms
    |
    22ms
    |
    218ms
  • 68.11.134.104

    Cox Communications Inc.

    AS22773

    Baton Rouge

    30.4433, -91.1875

    88% uptime

    155ms
    |
    1ms
    |
    112ms
  • 68.11.135.206

    Cox Communications Inc.

    AS22773

    Baton Rouge

    30.4433, -91.1875

    100% uptime

    154ms
    |
    1ms
    |
    100ms
  • 68.11.147.95

    Cox Communications Inc.

    AS22773

    Baton Rouge

    30.4433, -91.1875

    100% uptime

    154ms
    |
    1ms
    |
    104ms
  • 68.15.171.116

    Cox Communications Inc.

    AS22773

    Baton Rouge

    30.4433, -91.1875

    100% uptime

    154ms
    |
    1ms
    |
    257ms
  • 68.226.173.251

    Cox Communications Inc.

    AS22773

    Baton Rouge

    30.4433, -91.1875

    100% uptime

    154ms
    |
    0ms
    |
    112ms
  • 68.226.252.43

    Cox Communications Inc.

    AS22773

    Baton Rouge

    30.4433, -91.1875

    100% uptime

    154ms
    |
    1ms
    |
    104ms
  • 68.226.252.90

    Cox Communications Inc.

    AS22773

    Baton Rouge

    30.4433, -91.1875

    100% uptime

    154ms
    |
    1ms
    |
    116ms
  • 68.226.252.103

    Cox Communications Inc.

    AS22773

    Baton Rouge

    30.4433, -91.1875

    100% uptime

    155ms
    |
    1ms
    |
    104ms
  • 68.226.252.118

    Cox Communications Inc.

    AS22773

    Baton Rouge

    30.4433, -91.1875

    100% uptime

    155ms
    |
    1ms
    |
    108ms
  • 68.226.252.174

    Cox Communications Inc.

    AS22773

    Baton Rouge

    30.4433, -91.1875

    100% uptime

    155ms
    |
    1ms
    |
    110ms
  • 68.226.252.214

    Cox Communications Inc.

    AS22773

    Baton Rouge

    30.4433, -91.1875

    100% uptime

    154ms
    |
    1ms
    |
    104ms
  • 68.226.252.240

    Cox Communications Inc.

    AS22773

    Baton Rouge

    30.4433, -91.1875

    94% uptime

    154ms
    |
    1ms
    |
    109ms
  • 68.229.148.251

    Cox Communications Inc.

    AS22773

    Baton Rouge

    30.4433, -91.1875

    100% uptime

    154ms
    |
    1ms
    |
    94ms
  • 70.186.173.2

    Cox Communications Inc.

    AS22773

    Baton Rouge

    30.4433, -91.1875

    100% uptime

    154ms
    |
    2ms
    |
    96ms
  • 70.189.29.17

    Cox Communications Inc.

    AS22773

    Baton Rouge

    30.4433, -91.1875

    100% uptime

    154ms
    |
    1ms
    |
    100ms
  • 72.203.156.24

    Cox Communications Inc.

    AS22773

    Baton Rouge

    30.4433, -91.1875

    100% uptime

    154ms
    |
    1ms
    |
    111ms
  • 98.188.216.253

    Cox Communications Inc.

    AS22773

    Baton Rouge

    30.4433, -91.1875

    94% uptime

    169ms
    |
    5ms
    |
    290ms
  • 174.64.184.165

    Cox Communications Inc.

    AS22773

    Baton Rouge

    30.4433, -91.1875

    94% uptime

    154ms
    |
    2ms
    |
    112ms
  • 174.78.28.46

    Cox Communications Inc.

    AS22773

    Baton Rouge

    30.4433, -91.1875

    99% uptime

    155ms
    |
    3ms
    |
    262ms
  • 206.204.253.22

    Race Tech, LLC

    AS30041

    Bear Valley Springs

    35.1591, -118.6284

    99% uptime

    158ms
    |
    2ms
    |
    46ms
  • 64.203.227.96

    Hargray Communications Group, Inc.

    AS22646

    Beaufort

    32.4317, -80.6699

    100% uptime

    152ms
    |
    3ms
    |
    76ms
  • 70.32.197.132

    Shenandoah Cable Television LLC

    AS4922

    Bedford

    37.3343, -79.5231

    100% uptime

    136ms
    |
    2ms
    |
    111ms
  • 70.117.73.13

    Charter Communications Inc

    AS11427

    Beeville

    28.4010, -97.7497

    100% uptime

    143ms
    |
    1ms
    |
    252ms
  • 151.196.48.20

    Verizon Business

    AS701

    Bel Air

    39.5359, -76.3483

    100% uptime

    107ms
    |
    1ms
    |
    62ms
  • 158.51.6.38

    Gallatin Wireless Internet, LLC

    AS397324

    Belle Fourche

    44.6714, -103.8521

    100% uptime

    160ms
    |
    17ms
    |
    318ms
  • 64.83.241.170

    Clearwave Communications

    AS40702

    Belleville

    38.5200, -89.9840

    100% uptime

    126ms
    |
    1ms
    |
    95ms
  • 50.147.222.38

    Comcast Cable Communications, LLC

    AS7922

    Bellevue

    47.6104, -122.2007

    100% uptime

    170ms
    |
    1ms
    |
    195ms
  • 162.172.26.175

    T-Mobile USA, Inc.

    AS21928

    Bellevue

    47.5614, -122.1552

    88% uptime

    236ms
    |
    86ms
    |
    306ms
  • 71.255.159.74

    Fidium

    AS13977

    Belmont

    43.4454, -71.4779

    100% uptime

    107ms
    |
    2ms
    |
    154ms
  • 198.37.119.180

    H4Y Technologies LLC

    AS397373

    Bend

    44.0582, -121.3153

    88% uptime

    169ms
    |
    0ms
    |
    54ms
  • 96.30.227.29

    Cherryland Services Inc

    AS13904

    Benson

    31.9679, -110.2945

    98% uptime

    170ms
    |
    16ms
    |
    146ms
  • 24.35.129.141

    Fidelity Communication International Inc.

    AS11976

    Benton

    34.5645, -92.5868

    100% uptime

    154ms
    |
    1ms
    |
    56ms
  • 149.76.138.144

    Fidelity Communication International Inc.

    AS11976

    Benton

    34.5645, -92.5868

    94% uptime

    143ms
    |
    2ms
    |
    145ms
  • 149.76.173.222

    Fidelity Communication International Inc.

    AS11976

    Benton

    34.5645, -92.5868

    100% uptime

    146ms
    |
    2ms
    |
    129ms
  • 98.206.70.111

    Comcast Cable Communications, LLC

    AS7922

    Benton Harbor

    42.1167, -86.4542

    99% uptime

    132ms
    |
    3ms
    |
    229ms
  • 68.65.127.9

    Quad9

    AS398891

    Berkeley

    37.8784, -122.2655

    100% uptime

    10ms
    |
    0ms
    |
    16ms
  • 68.65.127.15

    Quad9

    AS398891

    Berkeley

    37.8784, -122.2655

    99% uptime

    9ms
    |
    0ms
    |
    2ms
  • 68.65.127.75

    Quad9

    AS398891

    Berkeley

    37.8784, -122.2655

    100% uptime

    9ms
    |
    0ms
    |
    1ms
  • 68.65.127.76

    Quad9

    AS398891

    Berkeley

    37.8784, -122.2655

    100% uptime

    9ms
    |
    0ms
    |
    1ms
  • 68.65.127.77

    Quad9

    AS398891

    Berkeley

    37.8784, -122.2655

    100% uptime

    9ms
    |
    0ms
    |
    2ms
  • 68.65.127.80

    Quad9

    AS398891

    Berkeley

    37.8784, -122.2655

    100% uptime

    9ms
    |
    0ms
    |
    17ms
  • 68.65.127.81

    Quad9

    AS398891

    Berkeley

    37.8784, -122.2655

    100% uptime

    9ms
    |
    0ms
    |
    18ms
  • 68.65.127.82

    Quad9

    AS398891

    Berkeley

    37.8784, -122.2655

    100% uptime

    10ms
    |
    0ms
    |
    0ms
  • 68.65.127.84

    Quad9

    AS398891

    Berkeley

    37.8784, -122.2655

    100% uptime

    10ms
    |
    0ms
    |
    18ms
  • 68.65.127.87

    Quad9

    AS398891

    Berkeley

    37.8784, -122.2655

    100% uptime

    10ms
    |
    0ms
    |
    18ms
  • 68.65.127.88

    Quad9

    AS398891

    Berkeley

    37.8784, -122.2655

    100% uptime

    9ms
    |
    0ms
    |
    22ms
  • 68.65.127.90

    Quad9

    AS398891

    Berkeley

    37.8784, -122.2655

    100% uptime

    9ms
    |
    0ms
    |
    18ms
  • 68.65.127.92

    Quad9

    AS398891

    Berkeley

    37.8784, -122.2655

    100% uptime

    10ms
    |
    0ms
    |
    0ms
  • 68.65.127.94

    Quad9

    AS398891

    Berkeley

    37.8784, -122.2655

    100% uptime

    9ms
    |
    0ms
    |
    17ms
  • 68.65.127.95

    Quad9

    AS398891

    Berkeley

    37.8784, -122.2655

    100% uptime

    9ms
    |
    2ms
    |
    1ms
  • 192.184.136.211

    Sonic Telecom LLC

    AS46375

    Berkeley

    37.8716, -122.2728

    100% uptime

    164ms
    |
    0ms
    |
    116ms
  • 204.111.200.241

    Shenandoah Cable Television LLC

    AS4922

    Berryville

    39.1518, -77.9822

    100% uptime

    110ms
    |
    2ms
    |
    134ms
  • 134.22.230.168

    Clearwave Communications

    AS40702

    Bethalto

    38.9092, -90.0407

    98% uptime

    128ms
    |
    1ms
    |
    183ms
  • 24.63.129.33

    Comcast Cable Communications, LLC

    AS7922

    Bethel

    41.3712, -73.4140

    98% uptime

    121ms
    |
    10ms
    |
    224ms
  • 209.165.162.140

    GENERAL COMMUNICATION, INC.

    AS8047

    Bethel

    60.7922, -161.7558

    94% uptime

    203ms
    |
    4ms
    |
    244ms
  • 71.27.81.9

    Comcast Cable Communications, LLC

    AS7922

    Bethel Park

    40.3276, -80.0395

    99% uptime

    131ms
    |
    7ms
    |
    144ms
  • 204.186.80.134

    PenTeleData Inc.

    AS3737

    Bethlehem

    40.6259, -75.3705

    98% uptime

    92ms
    |
    6ms
    |
    124ms
  • 63.146.247.67

    CenturyLink Communications, LLC

    AS209

    Billings

    45.7833, -108.5007

    99% uptime

    153ms
    |
    1ms
    |
    177ms
  • 69.144.98.234

    Charter Communications LLC

    AS33588

    Billings

    45.7833, -108.5007

    100% uptime

    191ms
    |
    3ms
    |
    348ms
  • 69.144.98.235

    Charter Communications LLC

    AS33588

    Billings

    45.7833, -108.5007

    100% uptime

    185ms
    |
    8ms
    |
    369ms
  • 69.144.98.238

    Charter Communications LLC

    AS33588

    Billings

    45.7833, -108.5007

    100% uptime

    184ms
    |
    8ms
    |
    360ms
  • 69.144.243.178

    Charter Communications LLC

    AS33588

    Billings

    45.7833, -108.5007

    100% uptime

    193ms
    |
    3ms
    |
    54ms
  • 208.85.61.6

    Clearfly Communications

    AS27400

    Billings

    45.7833, -108.5007

    99% uptime

    145ms
    |
    1ms
    |
    188ms
  • 24.245.172.78

    CABLE ONE, INC.

    AS11492

    Biloxi

    30.3960, -88.8853

    100% uptime

    160ms
    |
    1ms
    |
    94ms
  • 67.60.14.150

    CABLE ONE, INC.

    AS11492

    Biloxi

    30.3960, -88.8853

    99% uptime

    154ms
    |
    2ms
    |
    176ms
  • 67.60.112.128

    CABLE ONE, INC.

    AS11492

    Biloxi

    30.3960, -88.8853

    100% uptime

    158ms
    |
    2ms
    |
    100ms
  • 67.60.174.209

    CABLE ONE, INC.

    AS11492

    Biloxi

    30.3960, -88.8853

    100% uptime

    157ms
    |
    2ms
    |
    167ms
  • 96.18.132.105

    CABLE ONE, INC.

    AS11492

    Biloxi

    30.3960, -88.8853

    99% uptime

    156ms
    |
    2ms
    |
    89ms
  • 142.190.95.154

    Uniti Fiber Holdings Inc.

    AS13760

    Biloxi

    30.3960, -88.8853

    100% uptime

    135ms
    |
    1ms
    |
    250ms
  • 104.255.84.31

    Empire Access

    AS40545

    Binghamton

    42.0987, -75.9180

    99% uptime

    97ms
    |
    12ms
    |
    66ms
  • 47.209.30.163

    Optimum

    AS19108

    Bishop

    37.3635, -118.3951

    100% uptime

    182ms
    |
    5ms
    |
    256ms
  • 162.57.237.14

    MDU Resources Group, Inc.

    AS64226

    Bismarck

    46.8083, -100.7837

    100% uptime

    125ms
    |
    0ms
    |
    198ms
  • 184.83.220.116

    Midcontinent Communications

    AS11232

    Bismarck

    46.8083, -100.7837

    100% uptime

    129ms
    |
    2ms
    |
    248ms
  • 162.216.69.46

    Force Broadband LLC

    AS395559

    Black Forest

    39.0130, -104.7008

    100% uptime

    123ms
    |
    1ms
    |
    176ms
  • 198.82.247.66

    Virginia Polytechnic Institute and State Univ.

    AS1312

    Blacksburg

    37.2296, -80.4139

    99% uptime

    109ms
    |
    1ms
    |
    144ms
  • 198.82.247.98

    Virginia Polytechnic Institute and State Univ.

    AS1312

    Blacksburg

    37.2296, -80.4139

    100% uptime

    117ms
    |
    16ms
    |
    129ms
  • 205.237.155.98

    KanOkla Communications, LLC

    AS13927

    Blackwell

    36.8045, -97.2828

    99% uptime

    125ms
    |
    9ms
    |
    194ms
  • 205.237.155.106

    KanOkla Communications, LLC

    AS13927

    Blackwell

    36.8045, -97.2828

    100% uptime

    128ms
    |
    2ms
    |
    204ms
  • 50.190.171.49

    Comcast Cable Communications, LLC

    AS7922

    Blaine

    45.1608, -93.2349

    100% uptime

    134ms
    |
    11ms
    |
    176ms
  • 73.94.20.2

    Comcast Cable Communications, LLC

    AS7922

    Blaine

    45.1608, -93.2349

    100% uptime

    135ms
    |
    2ms
    |
    306ms
  • 151.213.216.29

    Windstream Communications LLC

    AS7029

    Blairsville

    34.8762, -83.9582

    100% uptime

    142ms
    |
    3ms
    |
    184ms
  • 138.89.160.157

    Verizon Business

    AS701

    Bloomfield

    40.8068, -74.1854

    100% uptime

    108ms
    |
    1ms
    |
    96ms
  • 12.220.116.66

    AT&T Enterprises, LLC

    AS7018

    Bloomington

    39.1653, -86.5264

    100% uptime

    120ms
    |
    21ms
    |
    48ms
  • 50.195.235.197

    Comcast Cable Communications, LLC

    AS7922

    Bloomington

    39.1653, -86.5264

    100% uptime

    146ms
    |
    8ms
    |
    344ms