DNS Servers

United States of America 4294 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

  • 67.188.223.84

    Comcast Cable Communications, LLC

    AS7922

    Milpitas

    37.4283, -121.9066

    98% uptime

    177ms
    |
    3ms
    |
    294ms
  • 70.90.170.41

    Comcast Cable Communications, LLC

    AS7922

    Milpitas

    37.4283, -121.9066

    100% uptime

    176ms
    |
    2ms
    |
    148ms
  • 76.103.222.29

    Comcast Cable Communications, LLC

    AS7922

    Milpitas

    37.4283, -121.9066

    100% uptime

    175ms
    |
    2ms
    |
    135ms
  • 139.68.254.229

    Hotwire Communications

    AS23089

    Milton

    30.6324, -87.0397

    96% uptime

    158ms
    |
    4ms
    |
    263ms
  • 185.212.5.250

    Mansfield Community Fiber, Inc

    AS399700

    Milton

    44.6398, -73.1104

    96% uptime

    106ms
    |
    1ms
    |
    153ms
  • 204.186.80.134

    PenTeleData Inc.

    AS3737

    Milton

    41.0120, -76.8477

    96% uptime

    92ms
    |
    1ms
    |
    129ms
  • 64.250.96.174

    Ethoplex, LLC

    AS30162

    Milwaukee

    43.0389, -87.9065

    96% uptime

    111ms
    |
    4ms
    |
    145ms
  • 162.225.53.197

    AT&T Enterprises, LLC

    AS7018

    Milwaukee

    43.0389, -87.9065

    100% uptime

    113ms
    |
    28ms
    |
    54ms
  • 38.165.190.149

    Vyve Broadband

    AS35986

    Mineral Wells

    32.8085, -98.1128

    96% uptime

    129ms
    |
    2ms
    |
    220ms
  • 74.196.190.234

    Optimum

    AS19108

    Mineral Wells

    32.8085, -98.1128

    98% uptime

    152ms
    |
    4ms
    |
    272ms
  • 50.93.253.194

    US Internet Corp

    AS10242

    Minneapolis

    44.9800, -93.2638

    100% uptime

    112ms
    |
    9ms
    |
    150ms
  • 71.24.216.29

    Comcast Cable Communications, LLC

    AS7922

    Minneapolis

    44.9800, -93.2638

    99% uptime

    135ms
    |
    2ms
    |
    210ms
  • 72.50.209.1

    US Internet Corp

    AS10242

    Minneapolis

    44.9800, -93.2638

    100% uptime

    113ms
    |
    9ms
    |
    145ms
  • 75.72.45.15

    Comcast Cable Communications, LLC

    AS7922

    Minneapolis

    44.9800, -93.2638

    100% uptime

    136ms
    |
    9ms
    |
    180ms
  • 75.168.246.219

    CenturyLink Communications, LLC

    AS209

    Minneapolis

    44.9800, -93.2638

    100% uptime

    129ms
    |
    10ms
    |
    276ms
  • 97.127.53.82

    CenturyLink Communications, LLC

    AS209

    Minneapolis

    44.9800, -93.2638

    99% uptime

    130ms
    |
    7ms
    |
    102ms
  • 24.118.26.59

    Comcast Cable Communications, LLC

    AS7922

    Minnetonka

    44.9133, -93.5033

    100% uptime

    138ms
    |
    9ms
    |
    247ms
  • 69.84.27.211

    SRT Communications, Inc.

    AS14543

    Minot

    48.2325, -101.2963

    99% uptime

    148ms
    |
    3ms
    |
    106ms
  • 76.201.152.73

    AT&T Enterprises, LLC

    AS7018

    Mission

    39.0278, -94.6558

    98% uptime

    147ms
    |
    3ms
    |
    190ms
  • 99.27.21.108

    AT&T Enterprises, LLC

    AS7018

    Mission

    39.0278, -94.6558

    100% uptime

    139ms
    |
    3ms
    |
    241ms
  • 76.81.51.126

    Charter Communications Inc

    AS20001

    Mission Hills

    34.6861, -120.4368

    100% uptime

    178ms
    |
    3ms
    |
    260ms
  • 50.86.96.219

    C Spire Fiber

    AS11272

    Mobile

    30.6944, -88.0430

    100% uptime

    120ms
    |
    3ms
    |
    156ms
  • 73.151.24.227

    Comcast Cable Communications, LLC

    AS7922

    Modesto

    37.6391, -120.9969

    98% uptime

    178ms
    |
    21ms
    |
    300ms
  • 24.48.169.50

    CABLE ONE, INC.

    AS11492

    Monroe

    32.5093, -92.1193

    100% uptime

    155ms
    |
    3ms
    |
    78ms
  • 24.89.187.178

    Cablevision Systems Corp.

    AS6128

    Monroe

    41.3306, -74.1868

    96% uptime

    93ms
    |
    1ms
    |
    116ms
  • 73.174.40.225

    Comcast Cable Communications, LLC

    AS7922

    Monroeville

    40.4212, -79.7881

    100% uptime

    129ms
    |
    2ms
    |
    219ms
  • 162.184.202.79

    T-Mobile USA, Inc.

    AS21928

    Mont Belvieu

    29.8477, -94.8908

    100% uptime

    201ms
    |
    74ms
    |
    240ms
  • 209.64.39.130

    AT&T Enterprises, LLC

    AS7018

    Montegut

    29.4744, -90.5570

    100% uptime

    138ms
    |
    9ms
    |
    234ms
  • 68.93.190.169

    AT&T Enterprises, LLC

    AS7018

    Monterey

    36.6002, -121.8947

    100% uptime

    179ms
    |
    3ms
    |
    145ms
  • 163.123.212.92

    Cascade Communications Company

    AS63152

    Monticello

    42.2383, -91.1871

    100% uptime

    111ms
    |
    2ms
    |
    286ms
  • 104.37.144.44

    Greater Vision Microwave Networks LLC

    AS17177

    Montoursville

    41.2542, -76.9205

    96% uptime

    101ms
    |
    1ms
    |
    302ms
  • 35.131.47.36

    Charter Communications LLC

    AS33588

    Montrose

    38.4783, -107.8762

    100% uptime

    155ms
    |
    9ms
    |
    195ms
  • 24.224.127.143

    TDS TELECOM

    AS4181

    Mooresville

    35.5849, -80.8101

    100% uptime

    127ms
    |
    4ms
    |
    155ms
  • 24.119.103.19

    CABLE ONE, INC.

    AS11492

    Morenci

    33.0520, -109.3280

    100% uptime

    171ms
    |
    2ms
    |
    136ms
  • 104.152.186.146

    Centrilogic, Inc.

    AS31863

    Morganton

    35.7454, -81.6848

    100% uptime

    130ms
    |
    4ms
    |
    168ms
  • 104.152.186.150

    Centrilogic, Inc.

    AS31863

    Morganton

    35.7454, -81.6848

    99% uptime

    130ms
    |
    2ms
    |
    166ms
  • 104.152.186.198

    Centrilogic, Inc.

    AS31863

    Morganton

    35.7454, -81.6848

    100% uptime

    128ms
    |
    1ms
    |
    32ms
  • 192.111.155.22

    Centrilogic, Inc.

    AS31863

    Morganton

    35.7454, -81.6848

    100% uptime

    130ms
    |
    1ms
    |
    27ms
  • 69.121.196.201

    Cablevision Systems Corp.

    AS6128

    Morris Plains

    40.8218, -74.4810

    100% uptime

    153ms
    |
    32ms
    |
    119ms
  • 64.113.7.94

    Northwest Open Access Network

    AS16713

    Moses Lake

    47.1301, -119.2781

    98% uptime

    141ms
    |
    0ms
    |
    112ms
  • 66.172.113.96

    Ziply Fiber

    AS13370

    Moses Lake

    47.1301, -119.2781

    96% uptime

    151ms
    |
    6ms
    |
    229ms
  • 24.112.44.40

    Vyve Broadband

    AS35986

    Moss Bluff

    30.3027, -93.1907

    100% uptime

    139ms
    |
    9ms
    |
    220ms
  • 98.17.255.134

    Windstream Communications LLC

    AS7029

    Moultrie

    31.1799, -83.7891

    99% uptime

    116ms
    |
    3ms
    |
    172ms
  • 173.190.103.182

    Windstream Communications LLC

    AS7029

    Moultrie

    31.1799, -83.7891

    100% uptime

    134ms
    |
    4ms
    |
    51ms
  • 50.199.160.201

    Comcast Cable Communications, LLC

    AS7922

    Moundsville

    39.9203, -80.7431

    96% uptime

    138ms
    |
    3ms
    |
    272ms
  • 173.219.48.65

    Optimum

    AS19108

    Mountain Home

    36.3353, -92.3852

    98% uptime

    147ms
    |
    2ms
    |
    120ms
  • 134.215.41.240

    TDS TELECOM

    AS4181

    Mount Juliet

    36.2000, -86.5186

    98% uptime

    129ms
    |
    2ms
    |
    182ms
  • 24.102.184.108

    PenTeleData Inc.

    AS3737

    Mount Pocono

    41.1220, -75.3646

    98% uptime

    104ms
    |
    4ms
    |
    164ms
  • 24.152.231.171

    PenTeleData Inc.

    AS3737

    Mount Pocono

    41.1220, -75.3646

    100% uptime

    103ms
    |
    2ms
    |
    147ms
  • 50.29.182.130

    PenTeleData Inc.

    AS3737

    Mount Pocono

    41.1220, -75.3646

    100% uptime

    98ms
    |
    3ms
    |
    145ms
  • 64.234.44.251

    Vyve Broadband

    AS35986

    Mount Shasta

    41.3102, -122.3123

    100% uptime

    184ms
    |
    13ms
    |
    257ms
  • 192.35.200.26

    Metro Communications Company, Inc.

    AS53610

    Moweaqua

    39.6248, -89.0190

    99% uptime

    122ms
    |
    0ms
    |
    63ms
  • 209.127.221.249

    ACTS

    AS399215

    Moweaqua

    39.6248, -89.0190

    98% uptime

    126ms
    |
    8ms
    |
    197ms
  • 66.252.219.65

    Five Area Systems, LLC

    AS29843

    Muleshoe

    34.2265, -102.7238

    100% uptime

    130ms
    |
    1ms
    |
    214ms
  • 50.146.214.163

    Comcast Cable Communications, LLC

    AS7922

    Muncie

    40.1934, -85.3864

    100% uptime

    133ms
    |
    2ms
    |
    206ms
  • 104.37.99.254

    ALTIUS Broadband, LLC

    AS63060

    Muncie

    40.1934, -85.3864

    100% uptime

    159ms
    |
    11ms
    |
    416ms
  • 208.86.71.3

    United Telephone Company

    AS40237

    Murfreesboro

    35.8456, -86.3903

    100% uptime

    133ms
    |
    3ms
    |
    103ms
  • 23.145.240.100

    WOW-World of Wireless

    AS397582

    Muskogee

    35.7479, -95.3697

    98% uptime

    138ms
    |
    1ms
    |
    205ms
  • 174.128.157.76

    ecoLINK

    AS397504

    Muskogee

    35.7479, -95.3697

    98% uptime

    122ms
    |
    6ms
    |
    117ms
  • 24.117.19.244

    CABLE ONE, INC.

    AS11492

    Nampa

    43.5407, -116.5635

    99% uptime

    194ms
    |
    4ms
    |
    104ms
  • 24.117.25.91

    CABLE ONE, INC.

    AS11492

    Nampa

    43.5407, -116.5635

    99% uptime

    172ms
    |
    4ms
    |
    95ms
  • 24.117.71.199

    CABLE ONE, INC.

    AS11492

    Nampa

    43.5407, -116.5635

    96% uptime

    172ms
    |
    4ms
    |
    101ms
  • 24.119.17.181

    CABLE ONE, INC.

    AS11492

    Nampa

    43.5407, -116.5635

    100% uptime

    196ms
    |
    7ms
    |
    86ms
  • 66.164.46.13

    CABLE ONE, INC.

    AS11492

    Nampa

    43.5407, -116.5635

    98% uptime

    185ms
    |
    4ms
    |
    128ms
  • 67.61.213.70

    CABLE ONE, INC.

    AS11492

    Nampa

    43.5407, -116.5635

    98% uptime

    172ms
    |
    3ms
    |
    110ms
  • 67.61.217.245

    CABLE ONE, INC.

    AS11492

    Nampa

    43.5407, -116.5635

    98% uptime

    171ms
    |
    4ms
    |
    100ms
  • 72.24.164.55

    CABLE ONE, INC.

    AS11492

    Nampa

    43.5407, -116.5635

    98% uptime

    171ms
    |
    9ms
    |
    103ms
  • 72.24.174.39

    CABLE ONE, INC.

    AS11492

    Nampa

    43.5407, -116.5635

    98% uptime

    177ms
    |
    8ms
    |
    124ms
  • 173.47.107.17

    CABLE ONE, INC.

    AS11492

    Nampa

    43.5407, -116.5635

    98% uptime

    177ms
    |
    9ms
    |
    127ms
  • 174.126.31.225

    CABLE ONE, INC.

    AS11492

    Nampa

    43.5407, -116.5635

    98% uptime

    173ms
    |
    9ms
    |
    91ms
  • 174.126.86.241

    CABLE ONE, INC.

    AS11492

    Nampa

    43.5407, -116.5635

    100% uptime

    199ms
    |
    7ms
    |
    104ms
  • 180.181.34.226

    CABLE ONE, INC.

    AS11492

    Nampa

    43.5407, -116.5635

    100% uptime

    183ms
    |
    11ms
    |
    96ms
  • 180.181.52.210

    CABLE ONE, INC.

    AS11492

    Nampa

    43.5407, -116.5635

    100% uptime

    184ms
    |
    6ms
    |
    162ms
  • 180.181.91.4

    CABLE ONE, INC.

    AS11492

    Nampa

    43.5407, -116.5635

    98% uptime

    174ms
    |
    8ms
    |
    90ms
  • 184.155.241.152

    CABLE ONE, INC.

    AS11492

    Nampa

    43.5407, -116.5635

    98% uptime

    190ms
    |
    5ms
    |
    101ms
  • 217.177.214.149

    CABLE ONE, INC.

    AS11492

    Nampa

    43.5407, -116.5635

    99% uptime

    185ms
    |
    5ms
    |
    99ms
  • 96.56.231.130

    Cablevision Systems Corp.

    AS6128

    Nanuet

    41.0887, -74.0135

    98% uptime

    102ms
    |
    1ms
    |
    52ms
  • 50.149.54.227

    Comcast Cable Communications, LLC

    AS7922

    Naperville

    41.7859, -88.1473

    98% uptime

    124ms
    |
    3ms
    |
    234ms
  • 209.122.93.49

    RCN

    AS6079

    Naperville

    41.7859, -88.1473

    96% uptime

    129ms
    |
    6ms
    |
    284ms
  • 23.150.201.6

    Sebago Fiber & Wifi, LLC

    AS19364

    Naples

    43.9017, -70.6878

    100% uptime

    81ms
    |
    0ms
    |
    106ms
  • 23.150.201.19

    Sebago Fiber & Wifi, LLC

    AS19364

    Naples

    43.9017, -70.6878

    100% uptime

    81ms
    |
    2ms
    |
    106ms
  • 130.44.53.143

    Summit Broadband

    AS23314

    Naples

    26.1423, -81.7960

    100% uptime

    120ms
    |
    2ms
    |
    45ms
  • 134.199.4.77

    Hotwire Communications

    AS23089

    Naples

    26.1423, -81.7960

    98% uptime

    125ms
    |
    5ms
    |
    175ms
  • 208.84.71.195

    Summit Broadband

    AS23314

    Naples Park

    26.2617, -81.8093

    96% uptime

    118ms
    |
    2ms
    |
    13ms
  • 4.1.170.131

    Level 3 Parent, LLC

    AS3356

    Nashville

    36.1659, -86.7844

    100% uptime

    118ms
    |
    1ms
    |
    113ms
  • 12.188.247.81

    AT&T Enterprises, LLC

    AS7018

    Nashville

    36.1659, -86.7844

    98% uptime

    131ms
    |
    0ms
    |
    214ms
  • 40.143.110.141

    TierPoint, LLC

    AS17378

    Nashville

    36.1659, -86.7844

    100% uptime

    111ms
    |
    4ms
    |
    97ms
  • 69.7.106.76

    Expedient

    AS17054

    Nashville

    36.1659, -86.7844

    98% uptime

    136ms
    |
    10ms
    |
    82ms
  • 73.88.162.119

    Comcast Cable Communications, LLC

    AS7922

    Nashville

    36.1659, -86.7844

    98% uptime

    134ms
    |
    8ms
    |
    248ms
  • 74.93.115.185

    Comcast Cable Communications, LLC

    AS7922

    Nashville

    36.1659, -86.7844

    100% uptime

    134ms
    |
    9ms
    |
    228ms
  • 136.41.161.58

    Google Fiber Inc.

    AS16591

    Nashville

    36.1659, -86.7844

    98% uptime

    116ms
    |
    13ms
    |
    162ms
  • 38.44.223.83

    Pacific Wyyerd LLC

    AS400391

    National City

    32.6781, -117.0992

    100% uptime

    143ms
    |
    4ms
    |
    179ms
  • 38.44.223.91

    Pacific Wyyerd LLC

    AS400391

    National City

    32.6781, -117.0992

    98% uptime

    150ms
    |
    7ms
    |
    183ms
  • 72.1.48.132

    NTINet Inc.

    AS40845

    Neeses

    33.5318, -81.1231

    98% uptime

    133ms
    |
    10ms
    |
    292ms
  • 47.214.247.75

    Optimum

    AS19108

    Neosho

    36.8690, -94.3680

    98% uptime

    138ms
    |
    1ms
    |
    328ms
  • 24.35.228.147

    Fidelity Communication International Inc.

    AS11976

    Nevada

    37.8392, -94.3547

    100% uptime

    138ms
    |
    9ms
    |
    39ms
  • 12.190.171.181

    AT&T Enterprises, LLC

    AS7018

    Nevada City

    39.2617, -121.0178

    96% uptime

    180ms
    |
    4ms
    |
    108ms
  • 188.227.57.199

    ITGLOBAL.COM

    AS208951

    Newark

    40.7918, -74.2452

    100% uptime

    96ms
    |
    3ms
    |
    140ms
  • 66.31.84.89

    Comcast Cable Communications, LLC

    AS7922

    New Bedford

    41.6353, -70.9270

    98% uptime

    122ms
    |
    1ms
    |
    226ms
  • 65.30.33.225

    Charter Communications Inc

    AS10796

    New Berlin

    42.9764, -88.1084

    98% uptime

    126ms
    |
    2ms
    |
    204ms