DNS Servers

United States of America 4310 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

  • 45.32.161.75

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    135ms
    |
    3ms
    |
    82ms
  • 45.32.164.27

    The Constant Company, LLC

    AS20473

    Miami

    25.8130, -80.2320

    98% uptime

    135ms
    |
    1ms
    |
    90ms
  • 45.32.164.113

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    99% uptime

    134ms
    |
    3ms
    |
    96ms
  • 45.32.164.147

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    132ms
    |
    0ms
    |
    98ms
  • 45.32.165.121

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    135ms
    |
    3ms
    |
    87ms
  • 45.32.167.164

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    132ms
    |
    1ms
    |
    93ms
  • 45.32.167.222

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    136ms
    |
    3ms
    |
    86ms
  • 45.32.168.45

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    132ms
    |
    4ms
    |
    86ms
  • 45.32.171.215

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    134ms
    |
    3ms
    |
    93ms
  • 45.32.174.195

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    132ms
    |
    1ms
    |
    92ms
  • 45.61.187.193

    FranTech Solutions

    AS53667

    Miami

    25.7743, -80.1937

    99% uptime

    122ms
    |
    13ms
    |
    32ms
  • 45.63.105.88

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    99% uptime

    135ms
    |
    2ms
    |
    92ms
  • 45.63.105.236

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    99% uptime

    135ms
    |
    3ms
    |
    81ms
  • 45.77.73.170

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    128ms
    |
    4ms
    |
    147ms
  • 45.77.112.5

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    99% uptime

    136ms
    |
    0ms
    |
    91ms
  • 45.77.114.208

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    98% uptime

    134ms
    |
    3ms
    |
    95ms
  • 45.77.161.227

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    130ms
    |
    3ms
    |
    97ms
  • 45.77.164.99

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    135ms
    |
    3ms
    |
    94ms
  • 45.77.165.65

    The Constant Company, LLC

    AS20473

    Miami

    25.8130, -80.2320

    100% uptime

    132ms
    |
    1ms
    |
    98ms
  • 45.77.167.182

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    131ms
    |
    1ms
    |
    102ms
  • 45.77.195.160

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    135ms
    |
    3ms
    |
    106ms
  • 45.77.196.98

    The Constant Company, LLC

    AS20473

    Miami

    25.8130, -80.2320

    99% uptime

    133ms
    |
    3ms
    |
    97ms
  • 45.83.31.206

    1337 Services GmbH

    AS210558

    Miami

    25.7743, -80.1937

    98% uptime

    132ms
    |
    2ms
    |
    150ms
  • 45.126.210.168

    ReliableSite.Net LLC

    AS23470

    Miami

    25.7743, -80.1937

    100% uptime

    135ms
    |
    3ms
    |
    246ms
  • 50.115.104.178

    Wavetech Systems, LLC.

    AS54045

    Miami

    25.7743, -80.1937

    100% uptime

    122ms
    |
    5ms
    |
    140ms
  • 50.150.159.236

    Comcast Cable Communications, LLC

    AS7922

    Miami

    25.7743, -80.1937

    99% uptime

    133ms
    |
    12ms
    |
    183ms
  • 50.200.146.132

    Comcast Cable Communications, LLC

    AS7922

    Miami

    25.7743, -80.1937

    100% uptime

    130ms
    |
    3ms
    |
    262ms
  • 50.224.118.33

    Comcast Cable Communications, LLC

    AS7922

    Miami

    25.7743, -80.1937

    100% uptime

    129ms
    |
    1ms
    |
    51ms
  • 50.236.157.220

    Comcast Cable Communications, LLC

    AS7922

    Miami

    25.7743, -80.1937

    100% uptime

    134ms
    |
    2ms
    |
    185ms
  • 52.119.96.254

    GTT Communications Inc.

    AS3257

    Miami

    25.7743, -80.1937

    100% uptime

    117ms
    |
    4ms
    |
    230ms
  • 64.135.12.53

    BroadbandONE, LLC

    AS13645

    Miami

    25.9597, -80.1403

    98% uptime

    118ms
    |
    5ms
    |
    242ms
  • 64.234.234.232

    Misaka Network, Inc.

    AS917

    Miami

    25.7743, -80.1937

    100% uptime

    124ms
    |
    2ms
    |
    107ms
  • 64.234.234.233

    Misaka Network, Inc.

    AS917

    Miami

    25.7743, -80.1937

    100% uptime

    125ms
    |
    4ms
    |
    122ms
  • 64.234.234.234

    Misaka Network, Inc.

    AS917

    Miami

    25.7743, -80.1937

    100% uptime

    127ms
    |
    2ms
    |
    122ms
  • 64.234.234.235

    Misaka Network, Inc.

    AS917

    Miami

    25.7743, -80.1937

    100% uptime

    121ms
    |
    2ms
    |
    83ms
  • 65.141.81.74

    CenturyLink Communications, LLC

    AS209

    Miami

    25.7743, -80.1937

    98% uptime

    130ms
    |
    2ms
    |
    248ms
  • 66.163.125.236

    GTHost

    AS63023

    Miami

    25.7743, -80.1937

    100% uptime

    114ms
    |
    2ms
    |
    228ms
  • 67.220.74.205

    GTHost

    AS63023

    Miami

    25.7743, -80.1937

    100% uptime

    114ms
    |
    3ms
    |
    229ms
  • 74.120.41.198

    Crown Castle Fiber LLC

    AS33132

    Miami

    25.7743, -80.1937

    100% uptime

    118ms
    |
    5ms
    |
    38ms
  • 74.120.41.199

    Crown Castle Fiber LLC

    AS33132

    Miami

    25.7743, -80.1937

    100% uptime

    119ms
    |
    7ms
    |
    36ms
  • 74.120.41.200

    Crown Castle Fiber LLC

    AS33132

    Miami

    25.7743, -80.1937

    100% uptime

    119ms
    |
    7ms
    |
    36ms
  • 75.63.76.92

    AT&T Enterprises, LLC

    AS7018

    Miami

    25.7743, -80.1937

    96% uptime

    135ms
    |
    2ms
    |
    272ms
  • 76.74.29.94

    GTT Communications Inc.

    AS3257

    Miami

    25.7743, -80.1937

    99% uptime

    116ms
    |
    3ms
    |
    83ms
  • 76.239.139.177

    AT&T Enterprises, LLC

    AS7018

    Miami

    25.7743, -80.1937

    96% uptime

    136ms
    |
    2ms
    |
    272ms
  • 76.239.139.178

    AT&T Enterprises, LLC

    AS7018

    Miami

    25.7743, -80.1937

    98% uptime

    143ms
    |
    2ms
    |
    186ms
  • 102.129.137.163

    ReliableSite.Net LLC

    AS23470

    Miami

    25.7743, -80.1937

    100% uptime

    131ms
    |
    3ms
    |
    256ms
  • 103.195.102.107

    ReliableSite.Net LLC

    AS23470

    Miami

    25.7743, -80.1937

    98% uptime

    135ms
    |
    2ms
    |
    243ms
  • 104.143.4.47

    UNITED TELEPORTS, INC.

    AS62664

    Miami

    25.7743, -80.1937

    99% uptime

    115ms
    |
    4ms
    |
    103ms
  • 104.207.146.6

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    99% uptime

    135ms
    |
    3ms
    |
    93ms
  • 104.225.100.137

    NetActuate, Inc

    AS36236

    Miami

    25.7743, -80.1937

    100% uptime

    130ms
    |
    3ms
    |
    12ms
  • 104.249.182.3

    R2 Unified Technologies

    AS399360

    Miami

    25.7743, -80.1937

    98% uptime

    117ms
    |
    4ms
    |
    422ms
  • 129.222.89.173

    Space Exploration Technologies Corporation

    AS14593

    Miami

    25.7743, -80.1937

    100% uptime

    155ms
    |
    11ms
    |
    83ms
  • 130.250.188.195

    X99

    AS398991

    Miami

    25.7743, -80.1937

    100% uptime

    120ms
    |
    1ms
    |
    108ms
  • 136.28.17.117

    Webpass Inc.

    AS19165

    Miami

    25.7629, -80.1895

    96% uptime

    130ms
    |
    2ms
    |
    180ms
  • 136.28.55.64

    Webpass Inc.

    AS19165

    Miami

    25.7629, -80.1895

    100% uptime

    126ms
    |
    2ms
    |
    243ms
  • 136.28.58.197

    Webpass Inc.

    AS19165

    Miami

    25.7629, -80.1895

    100% uptime

    128ms
    |
    2ms
    |
    243ms
  • 138.59.13.38

    Cooperación Latino Americana de Redes Avanzadas

    AS27750

    Miami

    25.7743, -80.1937

    99% uptime

    116ms
    |
    2ms
    |
    138ms
  • 140.82.27.53

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    133ms
    |
    1ms
    |
    96ms
  • 140.82.28.198

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    135ms
    |
    8ms
    |
    90ms
  • 142.215.166.107

    Equinix (EMEA) Acquisition Enterprises B.V.

    AS15830

    Miami

    25.7743, -80.1937

    99% uptime

    135ms
    |
    8ms
    |
    161ms
  • 143.244.35.87

    Datacamp Limited

    AS60068

    Miami

    25.7743, -80.1937

    98% uptime

    115ms
    |
    0ms
    |
    176ms
  • 144.202.33.231

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    128ms
    |
    3ms
    |
    100ms
  • 144.202.35.163

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    131ms
    |
    3ms
    |
    121ms
  • 144.202.44.138

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    96% uptime

    130ms
    |
    3ms
    |
    94ms
  • 144.202.45.163

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    98% uptime

    135ms
    |
    3ms
    |
    85ms
  • 144.202.46.32

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    99% uptime

    135ms
    |
    0ms
    |
    82ms
  • 144.202.46.202

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    132ms
    |
    1ms
    |
    98ms
  • 149.28.101.199

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    135ms
    |
    3ms
    |
    145ms
  • 149.28.102.243

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    129ms
    |
    2ms
    |
    96ms
  • 149.28.105.243

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    135ms
    |
    3ms
    |
    97ms
  • 149.28.107.199

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    135ms
    |
    3ms
    |
    96ms
  • 149.28.109.40

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    136ms
    |
    1ms
    |
    152ms
  • 149.28.111.81

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    135ms
    |
    0ms
    |
    142ms
  • 161.129.181.127

    AME Hosting LLC

    AS399244

    Miami

    25.7743, -80.1937

    99% uptime

    115ms
    |
    3ms
    |
    39ms
  • 162.227.242.98

    AT&T Enterprises, LLC

    AS7018

    Miami

    25.7743, -80.1937

    99% uptime

    134ms
    |
    2ms
    |
    187ms
  • 170.55.104.206

    Crown Castle Fiber LLC

    AS33132

    Miami

    25.7743, -80.1937

    98% uptime

    129ms
    |
    8ms
    |
    243ms
  • 172.96.172.45

    ReliableSite.Net LLC

    AS23470

    Miami

    25.7743, -80.1937

    98% uptime

    133ms
    |
    1ms
    |
    249ms
  • 172.233.162.248

    Akamai Connected Cloud

    AS63949

    Miami

    25.7743, -80.1937

    98% uptime

    132ms
    |
    3ms
    |
    243ms
  • 190.61.4.62

    IFX Corporation

    AS18747

    Miami

    25.7743, -80.1937

    100% uptime

    135ms
    |
    1ms
    |
    246ms
  • 193.106.248.214

    GTHost

    AS63023

    Miami

    25.7743, -80.1937

    100% uptime

    114ms
    |
    3ms
    |
    124ms
  • 199.167.100.151

    Crown Castle Fiber LLC

    AS33132

    Miami

    25.7743, -80.1937

    100% uptime

    130ms
    |
    5ms
    |
    52ms
  • 202.78.170.31

    G-Core Labs S.A.

    AS202422

    Miami

    25.7743, -80.1937

    100% uptime

    128ms
    |
    4ms
    |
    96ms
  • 202.78.170.90

    G-Core Labs S.A.

    AS202422

    Miami

    25.7743, -80.1937

    100% uptime

    134ms
    |
    0ms
    |
    245ms
  • 204.10.203.184

    Convergia, inc

    AS395088

    Miami

    25.7743, -80.1937

    99% uptime

    126ms
    |
    6ms
    |
    97ms
  • 206.47.173.20

    Convergia, inc

    AS395088

    Miami

    25.7743, -80.1937

    100% uptime

    123ms
    |
    9ms
    |
    32ms
  • 207.246.67.110

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    135ms
    |
    3ms
    |
    97ms
  • 207.246.67.148

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    99% uptime

    136ms
    |
    1ms
    |
    91ms
  • 207.246.70.93

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    99% uptime

    132ms
    |
    1ms
    |
    160ms
  • 207.246.72.53

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    136ms
    |
    0ms
    |
    152ms
  • 207.246.76.181

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    136ms
    |
    0ms
    |
    85ms
  • 209.160.231.1

    Crown Castle Fiber LLC

    AS46887

    Miami

    25.7743, -80.1937

    96% uptime

    122ms
    |
    5ms
    |
    143ms
  • 12.21.15.129

    AT&T Enterprises, LLC

    AS7018

    Miami Beach

    25.7906, -80.1300

    100% uptime

    136ms
    |
    2ms
    |
    161ms
  • 12.27.17.254

    AT&T Enterprises, LLC

    AS7018

    Miami Beach

    25.7906, -80.1300

    100% uptime

    135ms
    |
    4ms
    |
    163ms
  • 138.207.214.96

    Breezeline

    AS11776

    Miami Beach

    25.7906, -80.1300

    100% uptime

    127ms
    |
    9ms
    |
    196ms
  • 165.188.190.245

    Breezeline

    AS11776

    Miami Beach

    25.7906, -80.1300

    98% uptime

    119ms
    |
    7ms
    |
    234ms
  • 209.196.191.142

    Breezeline

    AS11776

    Miami Beach

    25.7906, -80.1300

    100% uptime

    119ms
    |
    4ms
    |
    172ms
  • 12.244.177.74

    AT&T Enterprises, LLC

    AS7018

    Miami Gardens

    25.9420, -80.2456

    100% uptime

    138ms
    |
    3ms
    |
    166ms
  • 50.171.231.91

    Comcast Cable Communications, LLC

    AS7922

    Michigan City

    41.7075, -86.8950

    98% uptime

    120ms
    |
    1ms
    |
    255ms
  • 64.92.72.214

    Momentum Telecom, Inc.

    AS25645

    Middleburg Heights

    41.3614, -81.8129

    96% uptime

    144ms
    |
    6ms
    |
    406ms
  • 50.231.201.66

    Comcast Cable Communications, LLC

    AS7922

    Middletown

    41.5623, -72.6506

    100% uptime

    111ms
    |
    1ms
    |
    185ms