DNS Servers

United States of America 4295 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

  • 193.106.248.214

    GTHost

    AS63023

    Miami

    25.7743, -80.1937

    98% uptime

    113ms
    |
    1ms
    |
    96ms
  • 199.167.100.151

    Crown Castle Fiber LLC

    AS33132

    Miami

    25.7743, -80.1937

    98% uptime

    130ms
    |
    4ms
    |
    62ms
  • 202.78.170.31

    G-Core Labs S.A.

    AS202422

    Miami

    25.7743, -80.1937

    100% uptime

    137ms
    |
    0ms
    |
    36ms
  • 202.78.170.90

    G-Core Labs S.A.

    AS202422

    Miami

    25.7743, -80.1937

    100% uptime

    136ms
    |
    0ms
    |
    246ms
  • 204.10.203.184

    Convergia, inc

    AS395088

    Miami

    25.7743, -80.1937

    100% uptime

    126ms
    |
    2ms
    |
    86ms
  • 206.47.173.20

    Convergia, inc

    AS395088

    Miami

    25.7743, -80.1937

    100% uptime

    123ms
    |
    1ms
    |
    42ms
  • 207.246.67.110

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    99% uptime

    129ms
    |
    0ms
    |
    81ms
  • 207.246.67.148

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    137ms
    |
    0ms
    |
    76ms
  • 207.246.70.93

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    99% uptime

    135ms
    |
    1ms
    |
    166ms
  • 207.246.71.28

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    99% uptime

    135ms
    |
    1ms
    |
    92ms
  • 207.246.72.53

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    136ms
    |
    0ms
    |
    157ms
  • 207.246.76.181

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    136ms
    |
    0ms
    |
    82ms
  • 207.246.115.230

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    99% uptime

    134ms
    |
    2ms
    |
    79ms
  • 216.155.100.46

    ACCELERATED DATA WORKS, INC.

    AS7453

    Miami

    25.7743, -80.1937

    94% uptime

    137ms
    |
    2ms
    |
    309ms
  • 209.196.191.142

    Breezeline

    AS11776

    Miami Beach

    25.7906, -80.1300

    100% uptime

    118ms
    |
    1ms
    |
    172ms
  • 12.244.177.74

    AT&T Enterprises, LLC

    AS7018

    Miami Gardens

    25.9420, -80.2456

    99% uptime

    137ms
    |
    15ms
    |
    158ms
  • 32.112.204.154

    AT&T Enterprises, LLC

    AS2686

    Middletown

    40.3943, -74.1171

    100% uptime

    51ms
    |
    4ms
    |
    348ms
  • 206.168.163.121

    BLUE RIDGE INTERNET, L.L.C

    AS399240

    Midland

    31.9974, -102.0779

    94% uptime

    145ms
    |
    12ms
    |
    256ms
  • 32.143.198.190

    AT&T Enterprises, LLC

    AS7018

    Midlothian

    32.4824, -96.9945

    100% uptime

    148ms
    |
    4ms
    |
    50ms
  • 64.89.209.134

    Mid-Rivers Telephone Cooperative

    AS11961

    Miles City

    46.4083, -105.8406

    100% uptime

    158ms
    |
    3ms
    |
    346ms
  • 74.220.141.10

    Ritter Communications

    AS23404

    Millington

    35.3415, -89.8973

    100% uptime

    134ms
    |
    2ms
    |
    34ms
  • 107.167.207.179

    Mediacom Communications Corp

    AS30036

    Millsboro

    38.5915, -75.2913

    100% uptime

    140ms
    |
    3ms
    |
    143ms
  • 12.32.74.203

    AT&T Enterprises, LLC

    AS7018

    Milpitas

    37.4283, -121.9066

    98% uptime

    164ms
    |
    3ms
    |
    104ms
  • 104.255.45.244

    Nuvera

    AS23465

    Milroy

    44.4177, -95.5533

    94% uptime

    117ms
    |
    0ms
    |
    152ms
  • 75.97.161.97

    PenTeleData Inc.

    AS3737

    Milton

    41.0120, -76.8477

    99% uptime

    102ms
    |
    4ms
    |
    35ms
  • 162.225.53.197

    AT&T Enterprises, LLC

    AS7018

    Milwaukee

    43.0389, -87.9065

    100% uptime

    113ms
    |
    0ms
    |
    27ms
  • 50.93.253.194

    US Internet Corp

    AS10242

    Minneapolis

    44.9800, -93.2638

    100% uptime

    112ms
    |
    0ms
    |
    164ms
  • 71.24.216.29

    Comcast Cable Communications, LLC

    AS7922

    Minneapolis

    44.9800, -93.2638

    100% uptime

    136ms
    |
    2ms
    |
    192ms
  • 75.72.45.15

    Comcast Cable Communications, LLC

    AS7922

    Minneapolis

    44.9800, -93.2638

    99% uptime

    135ms
    |
    11ms
    |
    185ms
  • 97.127.53.82

    CenturyLink Communications, LLC

    AS209

    Minneapolis

    44.9800, -93.2638

    100% uptime

    130ms
    |
    9ms
    |
    118ms
  • 174.20.231.213

    CenturyLink Communications, LLC

    AS209

    Minneapolis

    44.9800, -93.2638

    100% uptime

    127ms
    |
    1ms
    |
    53ms
  • 184.105.196.7

    Hurricane Electric LLC

    AS6939

    Minneapolis

    44.9800, -93.2638

    89% uptime

    113ms
    |
    0ms
    |
    32ms
  • 184.105.196.8

    Hurricane Electric LLC

    AS6939

    Minneapolis

    44.9800, -93.2638

    94% uptime

    113ms
    |
    0ms
    |
    54ms
  • 184.105.196.12

    Hurricane Electric LLC

    AS6939

    Minneapolis

    44.9800, -93.2638

    94% uptime

    112ms
    |
    0ms
    |
    26ms
  • 184.105.196.18

    Hurricane Electric LLC

    AS6939

    Minneapolis

    44.9800, -93.2638

    94% uptime

    112ms
    |
    0ms
    |
    57ms
  • 204.248.114.137

    Hiawatha Broadband Communications, Inc

    AS14828

    Minneapolis

    44.9800, -93.2638

    100% uptime

    110ms
    |
    8ms
    |
    151ms
  • 216.160.18.210

    CenturyLink Communications, LLC

    AS209

    Minneapolis

    44.9800, -93.2638

    98% uptime

    130ms
    |
    2ms
    |
    180ms
  • 24.118.26.59

    Comcast Cable Communications, LLC

    AS7922

    Minnetonka

    44.9133, -93.5033

    99% uptime

    137ms
    |
    11ms
    |
    253ms
  • 69.84.27.211

    SRT Communications, Inc.

    AS14543

    Minot

    48.2325, -101.2963

    100% uptime

    148ms
    |
    1ms
    |
    86ms
  • 96.30.234.183

    Cherryland Services Inc

    AS13904

    Miracle Valley

    31.3793, -110.1534

    100% uptime

    171ms
    |
    4ms
    |
    87ms
  • 45.26.72.177

    AT&T Enterprises, LLC

    AS7018

    Mission

    39.0278, -94.6558

    94% uptime

    142ms
    |
    1ms
    |
    224ms
  • 76.201.152.73

    AT&T Enterprises, LLC

    AS7018

    Mission

    39.0278, -94.6558

    100% uptime

    142ms
    |
    2ms
    |
    188ms
  • 50.86.96.219

    C Spire Fiber

    AS11272

    Mobile

    30.6944, -88.0430

    98% uptime

    123ms
    |
    2ms
    |
    105ms
  • 24.89.187.180

    Cablevision Systems Corp.

    AS6128

    Monroe

    41.3306, -74.1868

    89% uptime

    94ms
    |
    0ms
    |
    42ms
  • 24.89.187.182

    Cablevision Systems Corp.

    AS6128

    Monroe

    41.3306, -74.1868

    94% uptime

    94ms
    |
    0ms
    |
    34ms
  • 47.37.189.71

    Charter Communications LLC

    AS20115

    Monterey Park

    34.0625, -118.1228

    100% uptime

    177ms
    |
    4ms
    |
    45ms
  • 208.68.163.250

    Monticello Networks, Inc.

    AS14935

    Monticello

    42.2383, -91.1871

    100% uptime

    118ms
    |
    0ms
    |
    148ms
  • 208.68.163.252

    Monticello Networks, Inc.

    AS14935

    Monticello

    42.2383, -91.1871

    94% uptime

    118ms
    |
    0ms
    |
    148ms
  • 216.238.161.132

    The Lane Press, Inc.

    AS19802

    Montpelier

    44.2601, -72.5754

    100% uptime

    104ms
    |
    0ms
    |
    156ms
  • 24.224.127.143

    TDS TELECOM

    AS4181

    Mooresville

    35.5849, -80.8101

    99% uptime

    124ms
    |
    2ms
    |
    155ms
  • 24.119.103.19

    CABLE ONE, INC.

    AS11492

    Morenci

    33.0520, -109.3280

    100% uptime

    171ms
    |
    1ms
    |
    110ms
  • 216.139.32.45

    SOUTH VALLEY INTERNET

    AS4307

    Morgan Hill

    37.1305, -121.6544

    98% uptime

    141ms
    |
    12ms
    |
    201ms
  • 104.152.186.146

    Centrilogic, Inc.

    AS31863

    Morganton

    35.7454, -81.6848

    100% uptime

    130ms
    |
    1ms
    |
    172ms
  • 104.152.186.150

    Centrilogic, Inc.

    AS31863

    Morganton

    35.7454, -81.6848

    100% uptime

    130ms
    |
    1ms
    |
    170ms
  • 104.152.186.198

    Centrilogic, Inc.

    AS31863

    Morganton

    35.7454, -81.6848

    100% uptime

    127ms
    |
    1ms
    |
    33ms
  • 192.111.155.22

    Centrilogic, Inc.

    AS31863

    Morganton

    35.7454, -81.6848

    100% uptime

    130ms
    |
    1ms
    |
    30ms
  • 192.254.73.157

    Centrilogic, Inc.

    AS31863

    Morganton

    35.7454, -81.6848

    100% uptime

    128ms
    |
    4ms
    |
    181ms
  • 204.186.112.177

    PenTeleData Inc.

    AS3737

    Morgantown

    40.1551, -75.8899

    94% uptime

    90ms
    |
    0ms
    |
    148ms
  • 98.17.255.134

    Windstream Communications LLC

    AS7029

    Moultrie

    31.1799, -83.7891

    100% uptime

    115ms
    |
    2ms
    |
    176ms
  • 173.190.103.182

    Windstream Communications LLC

    AS7029

    Moultrie

    31.1799, -83.7891

    100% uptime

    132ms
    |
    0ms
    |
    35ms
  • 8.34.78.24

    Cherryland Services Inc

    AS13904

    Mountainair

    34.5203, -106.2411

    94% uptime

    158ms
    |
    43ms
    |
    253ms
  • 65.103.222.101

    CenturyLink Communications, LLC

    AS209

    Mountain Home

    43.1330, -115.6912

    100% uptime

    164ms
    |
    1ms
    |
    331ms
  • 134.215.41.240

    TDS TELECOM

    AS4181

    Mount Juliet

    36.2000, -86.5186

    100% uptime

    127ms
    |
    2ms
    |
    193ms
  • 24.102.184.108

    PenTeleData Inc.

    AS3737

    Mount Pocono

    41.1220, -75.3646

    100% uptime

    104ms
    |
    3ms
    |
    172ms
  • 24.152.226.30

    PenTeleData Inc.

    AS3737

    Mount Pocono

    41.1220, -75.3646

    100% uptime

    106ms
    |
    3ms
    |
    173ms
  • 67.183.252.50

    Comcast Cable Communications, LLC

    AS7922

    Mount Vernon

    48.4212, -122.3341

    94% uptime

    181ms
    |
    2ms
    |
    410ms
  • 192.35.202.143

    Metro Communications Company, Inc.

    AS53610

    Moweaqua

    39.6248, -89.0190

    98% uptime

    122ms
    |
    0ms
    |
    137ms
  • 50.221.73.42

    Comcast Cable Communications, LLC

    AS7922

    Muncie

    40.1934, -85.3864

    94% uptime

    134ms
    |
    0ms
    |
    207ms
  • 50.221.73.43

    Comcast Cable Communications, LLC

    AS7922

    Muncie

    40.1934, -85.3864

    99% uptime

    133ms
    |
    1ms
    |
    210ms
  • 208.86.71.3

    United Telephone Company

    AS40237

    Murfreesboro

    35.8456, -86.3903

    100% uptime

    126ms
    |
    1ms
    |
    132ms
  • 66.153.250.77

    Horry Telephone Cooperative, Inc.

    AS21565

    Myrtle Beach

    33.6891, -78.8867

    100% uptime

    118ms
    |
    0ms
    |
    28ms
  • 24.116.142.226

    CABLE ONE, INC.

    AS11492

    Nampa

    43.5407, -116.5635

    100% uptime

    174ms
    |
    3ms
    |
    126ms
  • 24.117.19.244

    CABLE ONE, INC.

    AS11492

    Nampa

    43.5407, -116.5635

    100% uptime

    192ms
    |
    10ms
    |
    108ms
  • 24.117.25.91

    CABLE ONE, INC.

    AS11492

    Nampa

    43.5407, -116.5635

    100% uptime

    172ms
    |
    1ms
    |
    72ms
  • 24.119.17.181

    CABLE ONE, INC.

    AS11492

    Nampa

    43.5407, -116.5635

    98% uptime

    193ms
    |
    10ms
    |
    60ms
  • 66.164.40.156

    CABLE ONE, INC.

    AS11492

    Nampa

    43.5407, -116.5635

    100% uptime

    183ms
    |
    3ms
    |
    86ms
  • 72.24.164.55

    CABLE ONE, INC.

    AS11492

    Nampa

    43.5407, -116.5635

    98% uptime

    171ms
    |
    3ms
    |
    112ms
  • 159.118.196.56

    CABLE ONE, INC.

    AS11492

    Nampa

    43.5407, -116.5635

    94% uptime

    185ms
    |
    4ms
    |
    65ms
  • 173.47.13.2

    CABLE ONE, INC.

    AS11492

    Nampa

    43.5407, -116.5635

    98% uptime

    174ms
    |
    2ms
    |
    76ms
  • 174.126.103.117

    CABLE ONE, INC.

    AS11492

    Nampa

    43.5407, -116.5635

    100% uptime

    174ms
    |
    4ms
    |
    115ms
  • 180.181.34.226

    CABLE ONE, INC.

    AS11492

    Nampa

    43.5407, -116.5635

    100% uptime

    185ms
    |
    3ms
    |
    70ms
  • 184.155.241.152

    CABLE ONE, INC.

    AS11492

    Nampa

    43.5407, -116.5635

    98% uptime

    188ms
    |
    10ms
    |
    53ms
  • 217.177.214.149

    CABLE ONE, INC.

    AS11492

    Nampa

    43.5407, -116.5635

    100% uptime

    186ms
    |
    2ms
    |
    60ms
  • 67.180.2.245

    Comcast Cable Communications, LLC

    AS7922

    Napa

    38.2971, -122.2855

    100% uptime

    178ms
    |
    2ms
    |
    304ms
  • 75.118.32.65

    Breezeline

    AS11776

    Naperville

    41.7859, -88.1473

    100% uptime

    122ms
    |
    5ms
    |
    194ms
  • 209.122.92.99

    RCN

    AS6079

    Naperville

    41.7859, -88.1473

    100% uptime

    130ms
    |
    3ms
    |
    184ms
  • 209.122.140.196

    RCN

    AS6079

    Naperville

    41.7859, -88.1473

    99% uptime

    127ms
    |
    1ms
    |
    170ms
  • 130.44.53.143

    Summit Broadband

    AS23314

    Naples

    26.1423, -81.7960

    100% uptime

    121ms
    |
    1ms
    |
    48ms
  • 12.12.79.106

    AT&T Enterprises, LLC

    AS7018

    Nashville

    36.1659, -86.7844

    99% uptime

    132ms
    |
    2ms
    |
    78ms
  • 12.47.195.34

    AT&T Enterprises, LLC

    AS7018

    Nashville

    36.1659, -86.7844

    99% uptime

    132ms
    |
    13ms
    |
    86ms
  • 12.76.168.118

    AT&T Enterprises, LLC

    AS7018

    Nashville

    36.1659, -86.7844

    100% uptime

    129ms
    |
    0ms
    |
    82ms
  • 12.188.247.81

    AT&T Enterprises, LLC

    AS7018

    Nashville

    36.1659, -86.7844

    99% uptime

    131ms
    |
    1ms
    |
    192ms
  • 40.143.110.141

    TierPoint, LLC

    AS17378

    Nashville

    36.1659, -86.7844

    99% uptime

    110ms
    |
    9ms
    |
    91ms
  • 69.7.106.76

    Expedient

    AS17054

    Nashville

    36.1659, -86.7844

    99% uptime

    130ms
    |
    6ms
    |
    93ms
  • 209.235.161.2

    Peace Communications LLC

    AS20448

    Nashville

    36.1659, -86.7844

    94% uptime

    124ms
    |
    1ms
    |
    156ms
  • 209.235.174.18

    Peace Communications LLC

    AS20448

    Nashville

    36.1659, -86.7844

    100% uptime

    128ms
    |
    0ms
    |
    141ms
  • 209.235.178.131

    Peace Communications LLC

    AS20448

    Nashville

    36.1659, -86.7844

    100% uptime

    121ms
    |
    2ms
    |
    86ms
  • 38.44.223.91

    Pacific Wyyerd LLC

    AS400391

    National City

    32.6781, -117.0992

    99% uptime

    152ms
    |
    2ms
    |
    181ms
  • 47.214.247.75

    Optimum

    AS19108

    Neosho

    36.8690, -94.3680

    100% uptime

    138ms
    |
    2ms
    |
    337ms
  • 24.35.228.147

    Fidelity Communication International Inc.

    AS11976

    Nevada

    37.8392, -94.3547

    100% uptime

    140ms
    |
    1ms
    |
    36ms