DNS Servers

United States of America 4281 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

  • 184.164.122.136

    Visionary Communications LLC

    AS10835

    Meeker

    40.0375, -107.9131

    95% uptime

    130ms
    |
    2ms
    |
    180ms
  • 65.98.157.151

    TPx Communications

    AS14265

    Melbourne

    28.0673, -80.6780

    100% uptime

    138ms
    |
    3ms
    |
    97ms
  • 134.195.5.57

    Nextgi, LLC.

    AS36232

    Menlo Park

    37.4538, -122.1822

    100% uptime

    152ms
    |
    1ms
    |
    198ms
  • 76.190.0.130

    Charter Communications Inc

    AS10796

    Mentor

    41.6662, -81.3396

    100% uptime

    121ms
    |
    0ms
    |
    96ms
  • 147.0.19.178

    Charter Communications Inc

    AS10796

    Mentor

    41.6662, -81.3396

    99% uptime

    118ms
    |
    21ms
    |
    107ms
  • 147.0.19.181

    Charter Communications Inc

    AS10796

    Mentor

    41.6662, -81.3396

    100% uptime

    118ms
    |
    23ms
    |
    103ms
  • 147.0.19.182

    Charter Communications Inc

    AS10796

    Mentor

    41.6662, -81.3396

    95% uptime

    118ms
    |
    2ms
    |
    112ms
  • 24.101.88.53

    Armstrong

    AS27364

    Meridian

    40.8484, -79.9620

    98% uptime

    120ms
    |
    2ms
    |
    120ms
  • 65.132.57.141

    CenturyLink Communications, LLC

    AS209

    Mesa

    33.4223, -111.8226

    100% uptime

    153ms
    |
    1ms
    |
    32ms
  • 72.190.134.212

    Charter Communications Inc

    AS11427

    Mesquite

    32.7668, -96.5992

    95% uptime

    138ms
    |
    7ms
    |
    211ms
  • 23.131.248.141

    Wi-Fiber, Inc.

    AS397354

    Mesquite Creek

    34.9667, -114.5686

    100% uptime

    177ms
    |
    3ms
    |
    135ms
  • 38.91.106.41

    GTHost

    AS63023

    Miami

    25.7743, -80.1937

    99% uptime

    113ms
    |
    2ms
    |
    32ms
  • 38.94.152.2

    Cogent Communications, LLC

    AS174

    Miami

    25.7743, -80.1937

    100% uptime

    136ms
    |
    1ms
    |
    235ms
  • 38.110.1.45

    GTHost

    AS63023

    Miami

    25.7743, -80.1937

    100% uptime

    113ms
    |
    4ms
    |
    72ms
  • 38.110.1.231

    GTHost

    AS63023

    Miami

    25.7743, -80.1937

    100% uptime

    113ms
    |
    1ms
    |
    226ms
  • 38.132.118.133

    M247 Europe SRL

    AS9009

    Miami

    25.7743, -80.1937

    100% uptime

    119ms
    |
    3ms
    |
    65ms
  • 38.145.197.21

    Enzu Inc

    AS18978

    Miami

    25.7743, -80.1937

    100% uptime

    120ms
    |
    2ms
    |
    85ms
  • 45.32.164.27

    The Constant Company, LLC

    AS20473

    Miami

    25.8130, -80.2320

    100% uptime

    135ms
    |
    1ms
    |
    88ms
  • 45.32.164.113

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    129ms
    |
    1ms
    |
    85ms
  • 45.32.164.147

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    135ms
    |
    1ms
    |
    74ms
  • 45.32.165.121

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    129ms
    |
    1ms
    |
    84ms
  • 45.32.167.164

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    135ms
    |
    1ms
    |
    77ms
  • 45.32.167.222

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    129ms
    |
    1ms
    |
    84ms
  • 45.32.168.45

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    99% uptime

    129ms
    |
    1ms
    |
    88ms
  • 45.32.171.3

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    137ms
    |
    1ms
    |
    74ms
  • 45.32.173.132

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    99% uptime

    129ms
    |
    3ms
    |
    80ms
  • 45.32.174.82

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    99% uptime

    134ms
    |
    1ms
    |
    140ms
  • 45.32.174.195

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    130ms
    |
    2ms
    |
    78ms
  • 45.32.175.2

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    98% uptime

    129ms
    |
    1ms
    |
    90ms
  • 45.58.126.167

    ReliableSite.Net LLC

    AS23470

    Miami

    25.7743, -80.1937

    100% uptime

    137ms
    |
    0ms
    |
    244ms
  • 45.61.187.193

    FranTech Solutions

    AS53667

    Miami

    25.7743, -80.1937

    100% uptime

    122ms
    |
    13ms
    |
    6ms
  • 45.63.105.88

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    135ms
    |
    1ms
    |
    77ms
  • 45.63.105.236

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    130ms
    |
    0ms
    |
    95ms
  • 45.77.80.65

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    99% uptime

    135ms
    |
    1ms
    |
    87ms
  • 45.77.112.5

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    136ms
    |
    1ms
    |
    86ms
  • 45.77.114.169

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    99% uptime

    136ms
    |
    0ms
    |
    76ms
  • 45.77.118.158

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    98% uptime

    129ms
    |
    1ms
    |
    252ms
  • 45.77.164.99

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    129ms
    |
    1ms
    |
    85ms
  • 45.77.165.65

    The Constant Company, LLC

    AS20473

    Miami

    25.8130, -80.2320

    100% uptime

    130ms
    |
    2ms
    |
    81ms
  • 45.77.167.182

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    99% uptime

    135ms
    |
    1ms
    |
    92ms
  • 45.77.195.160

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    129ms
    |
    0ms
    |
    81ms
  • 45.77.196.98

    The Constant Company, LLC

    AS20473

    Miami

    25.8130, -80.2320

    100% uptime

    135ms
    |
    1ms
    |
    73ms
  • 45.77.198.77

    The Constant Company, LLC

    AS20473

    Miami

    25.8130, -80.2320

    98% uptime

    135ms
    |
    1ms
    |
    71ms
  • 45.77.199.137

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    99% uptime

    129ms
    |
    1ms
    |
    156ms
  • 45.126.208.245

    ReliableSite.Net LLC

    AS23470

    Miami

    25.7743, -80.1937

    100% uptime

    137ms
    |
    0ms
    |
    48ms
  • 50.150.159.236

    Comcast Cable Communications, LLC

    AS7922

    Miami

    25.7743, -80.1937

    99% uptime

    133ms
    |
    2ms
    |
    151ms
  • 52.119.96.254

    GTT Communications Inc.

    AS3257

    Miami

    25.7743, -80.1937

    98% uptime

    114ms
    |
    3ms
    |
    232ms
  • 64.135.12.53

    BroadbandONE, LLC

    AS13645

    Miami

    25.9597, -80.1403

    100% uptime

    120ms
    |
    2ms
    |
    239ms
  • 64.234.234.235

    Misaka Network, Inc.

    AS917

    Miami

    25.7743, -80.1937

    100% uptime

    117ms
    |
    1ms
    |
    130ms
  • 65.133.15.138

    CenturyLink Communications, LLC

    AS209

    Miami

    25.7743, -80.1937

    100% uptime

    127ms
    |
    8ms
    |
    174ms
  • 66.163.125.249

    GTHost

    AS63023

    Miami

    25.7743, -80.1937

    100% uptime

    113ms
    |
    1ms
    |
    227ms
  • 67.220.74.103

    GTHost

    AS63023

    Miami

    25.7743, -80.1937

    95% uptime

    113ms
    |
    0ms
    |
    228ms
  • 67.220.74.205

    GTHost

    AS63023

    Miami

    25.7743, -80.1937

    100% uptime

    113ms
    |
    1ms
    |
    224ms
  • 74.120.41.198

    Crown Castle Fiber LLC

    AS33132

    Miami

    25.7743, -80.1937

    95% uptime

    124ms
    |
    4ms
    |
    82ms
  • 74.120.41.199

    Crown Castle Fiber LLC

    AS33132

    Miami

    25.7743, -80.1937

    98% uptime

    130ms
    |
    5ms
    |
    62ms
  • 74.120.41.200

    Crown Castle Fiber LLC

    AS33132

    Miami

    25.7743, -80.1937

    99% uptime

    131ms
    |
    5ms
    |
    56ms
  • 76.74.29.94

    GTT Communications Inc.

    AS3257

    Miami

    25.7743, -80.1937

    98% uptime

    112ms
    |
    3ms
    |
    74ms
  • 89.222.120.130

    Datacamp Limited

    AS60068

    Miami

    25.7743, -80.1937

    100% uptime

    113ms
    |
    5ms
    |
    109ms
  • 99.148.27.170

    AT&T Enterprises, LLC

    AS7018

    Miami

    25.7743, -80.1937

    89% uptime

    133ms
    |
    2ms
    |
    259ms
  • 102.129.137.53

    ReliableSite.Net LLC

    AS23470

    Miami

    25.7743, -80.1937

    89% uptime

    137ms
    |
    0ms
    |
    247ms
  • 104.143.4.47

    UNITED TELEPORTS, INC.

    AS62664

    Miami

    25.7743, -80.1937

    100% uptime

    112ms
    |
    2ms
    |
    88ms
  • 104.207.146.6

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    129ms
    |
    0ms
    |
    81ms
  • 130.250.188.195

    X99

    AS398991

    Miami

    25.7743, -80.1937

    100% uptime

    117ms
    |
    1ms
    |
    129ms
  • 130.250.248.180

    VELOCITY, A MANAGED SERVICES COMPANY

    AS62728

    Miami

    25.7743, -80.1937

    100% uptime

    120ms
    |
    13ms
    |
    18ms
  • 138.59.13.38

    Cooperación Latino Americana de Redes Avanzadas

    AS27750

    Miami

    25.7743, -80.1937

    100% uptime

    118ms
    |
    3ms
    |
    131ms
  • 140.82.27.53

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    137ms
    |
    0ms
    |
    77ms
  • 140.82.27.190

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    135ms
    |
    2ms
    |
    86ms
  • 140.82.28.198

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    130ms
    |
    0ms
    |
    89ms
  • 142.215.166.107

    Equinix (EMEA) Acquisition Enterprises B.V.

    AS15830

    Miami

    25.7743, -80.1937

    100% uptime

    130ms
    |
    0ms
    |
    185ms
  • 144.202.33.231

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    98% uptime

    129ms
    |
    0ms
    |
    80ms
  • 144.202.44.138

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    99% uptime

    129ms
    |
    1ms
    |
    92ms
  • 144.202.45.163

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    99% uptime

    129ms
    |
    1ms
    |
    85ms
  • 144.202.46.32

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    98% uptime

    135ms
    |
    2ms
    |
    88ms
  • 144.202.46.202

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    130ms
    |
    2ms
    |
    95ms
  • 149.28.96.103

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    135ms
    |
    2ms
    |
    74ms
  • 149.28.100.104

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    136ms
    |
    0ms
    |
    76ms
  • 149.28.101.199

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    129ms
    |
    1ms
    |
    139ms
  • 149.28.105.243

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    99% uptime

    129ms
    |
    1ms
    |
    91ms
  • 149.28.107.199

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    129ms
    |
    2ms
    |
    96ms
  • 149.28.111.81

    The Constant Company, LLC

    AS20473

    Miami

    25.7743, -80.1937

    100% uptime

    134ms
    |
    1ms
    |
    144ms
  • 161.129.181.127

    AME Hosting LLC

    AS399244

    Miami

    25.7743, -80.1937

    100% uptime

    115ms
    |
    1ms
    |
    37ms
  • 162.227.242.98

    AT&T Enterprises, LLC

    AS7018

    Miami

    25.7743, -80.1937

    100% uptime

    135ms
    |
    4ms
    |
    162ms
  • 162.254.200.44

    velia.net Internetdienste GmbH

    AS29066

    Miami

    25.7743, -80.1937

    98% uptime

    135ms
    |
    2ms
    |
    149ms
  • 172.93.111.181

    ReliableSite.Net LLC

    AS23470

    Miami

    25.7743, -80.1937

    98% uptime

    124ms
    |
    3ms
    |
    246ms
  • 172.93.111.183

    ReliableSite.Net LLC

    AS23470

    Miami

    25.7743, -80.1937

    98% uptime

    130ms
    |
    4ms
    |
    237ms
  • 172.96.172.45

    ReliableSite.Net LLC

    AS23470

    Miami

    25.7743, -80.1937

    98% uptime

    124ms
    |
    3ms
    |
    247ms
  • 172.233.162.248

    Akamai Connected Cloud

    AS63949

    Miami

    25.7743, -80.1937

    99% uptime

    132ms
    |
    2ms
    |
    241ms
  • 172.233.164.252

    Akamai Connected Cloud

    AS63949

    Miami

    25.7743, -80.1937

    98% uptime

    126ms
    |
    1ms
    |
    243ms
  • 172.233.189.227

    Akamai Connected Cloud

    AS63949

    Miami

    25.7743, -80.1937

    100% uptime

    129ms
    |
    1ms
    |
    238ms
  • 172.235.141.164

    Akamai Connected Cloud

    AS63949

    Miami

    25.7743, -80.1937

    89% uptime

    129ms
    |
    1ms
    |
    140ms
  • 173.205.52.10

    GTT Communications Inc.

    AS3257

    Miami

    25.7743, -80.1937

    99% uptime

    114ms
    |
    3ms
    |
    262ms
  • 184.94.156.5

    MOJOHOST

    AS27589

    Miami

    25.7743, -80.1937

    98% uptime

    120ms
    |
    2ms
    |
    231ms
  • 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
    |
    37ms
  • 202.78.170.90

    G-Core Labs S.A.

    AS202422

    Miami

    25.7743, -80.1937

    100% uptime

    136ms
    |
    0ms
    |
    247ms
  • 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
    |
    36ms
  • 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
    |
    74ms