DNS Servers

United States of America 4329 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

  • 169.61.71.23

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    100ms
    |
    1ms
    |
    198ms
  • 169.61.71.24

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    100ms
    |
    1ms
    |
    177ms
  • 169.61.71.25

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    99% uptime

    101ms
    |
    1ms
    |
    175ms
  • 169.61.71.26

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    1ms
    |
    167ms
  • 169.61.71.27

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    99% uptime

    100ms
    |
    1ms
    |
    115ms
  • 169.61.80.136

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    100ms
    |
    1ms
    |
    188ms
  • 169.61.80.140

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    1ms
    |
    253ms
  • 169.61.84.211

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    99% uptime

    100ms
    |
    1ms
    |
    168ms
  • 169.61.84.217

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    1ms
    |
    124ms
  • 169.61.84.219

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    1ms
    |
    228ms
  • 169.61.84.220

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    100ms
    |
    1ms
    |
    150ms
  • 169.61.84.222

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    100ms
    |
    1ms
    |
    210ms
  • 169.63.75.178

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    98% uptime

    100ms
    |
    1ms
    |
    16ms
  • 169.63.75.182

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    100ms
    |
    1ms
    |
    22ms
  • 169.63.75.186

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    98% uptime

    101ms
    |
    1ms
    |
    24ms
  • 169.63.138.4

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    1ms
    |
    172ms
  • 169.63.138.5

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    100ms
    |
    1ms
    |
    178ms
  • 169.63.138.6

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    1ms
    |
    234ms
  • 169.63.138.7

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    100ms
    |
    1ms
    |
    236ms
  • 169.63.138.10

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    1ms
    |
    177ms
  • 169.63.138.11

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    1ms
    |
    180ms
  • 169.63.138.13

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    1ms
    |
    239ms
  • 169.63.138.16

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    100ms
    |
    1ms
    |
    126ms
  • 169.63.138.21

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    100ms
    |
    1ms
    |
    261ms
  • 169.63.138.26

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    100ms
    |
    1ms
    |
    168ms
  • 169.63.138.30

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    1ms
    |
    170ms
  • 172.233.235.135

    Akamai Connected Cloud

    AS63949

    Ashburn

    39.0437, -77.4875

    100% uptime

    103ms
    |
    3ms
    |
    80ms
  • 172.245.232.77

    BrainStorm Network, Inc

    AS136258

    Ashburn

    39.0437, -77.4875

    100% uptime

    106ms
    |
    3ms
    |
    46ms
  • 172.245.232.197

    BrainStorm Network, Inc

    AS136258

    Ashburn

    39.0437, -77.4875

    100% uptime

    108ms
    |
    0ms
    |
    54ms
  • 172.245.232.199

    BrainStorm Network, Inc

    AS136258

    Ashburn

    39.0437, -77.4875

    100% uptime

    109ms
    |
    2ms
    |
    39ms
  • 172.245.232.217

    BrainStorm Network, Inc

    AS136258

    Ashburn

    39.0437, -77.4875

    100% uptime

    106ms
    |
    1ms
    |
    56ms
  • 172.245.232.218

    BrainStorm Network, Inc

    AS136258

    Ashburn

    39.0437, -77.4875

    100% uptime

    108ms
    |
    2ms
    |
    40ms
  • 172.245.232.235

    BrainStorm Network, Inc

    AS136258

    Ashburn

    39.0437, -77.4875

    99% uptime

    108ms
    |
    1ms
    |
    40ms
  • 172.245.232.237

    BrainStorm Network, Inc

    AS136258

    Ashburn

    39.0437, -77.4875

    100% uptime

    108ms
    |
    2ms
    |
    46ms
  • 178.156.129.92

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    1ms
    |
    127ms
  • 178.156.140.16

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    9ms
    |
    128ms
  • 178.156.144.230

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    7ms
    |
    127ms
  • 178.156.149.61

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    99% uptime

    101ms
    |
    10ms
    |
    130ms
  • 178.156.153.99

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    98% uptime

    101ms
    |
    1ms
    |
    128ms
  • 178.156.162.118

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    99% uptime

    101ms
    |
    13ms
    |
    130ms
  • 178.156.170.50

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    7ms
    |
    130ms
  • 178.156.170.156

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    1ms
    |
    128ms
  • 178.156.174.248

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    9ms
    |
    129ms
  • 178.156.186.93

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    98% uptime

    101ms
    |
    6ms
    |
    129ms
  • 178.156.198.170

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    98% uptime

    101ms
    |
    6ms
    |
    129ms
  • 178.156.208.163

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    1ms
    |
    121ms
  • 178.156.242.193

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    99% uptime

    101ms
    |
    1ms
    |
    129ms
  • 178.156.242.243

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    98% uptime

    101ms
    |
    7ms
    |
    114ms
  • 193.122.148.131

    Oracle Corporation

    AS31898

    Ashburn

    39.0437, -77.4875

    100% uptime

    107ms
    |
    91ms
    |
    42ms
  • 199.48.149.11

    Route More Solutions, LLC

    AS47089

    Ashburn

    39.0437, -77.4875

    100% uptime

    107ms
    |
    0ms
    |
    140ms
  • 199.48.149.63

    Route More Solutions, LLC

    AS47089

    Ashburn

    39.0437, -77.4875

    100% uptime

    107ms
    |
    1ms
    |
    141ms
  • 204.152.193.221

    HostPapa

    AS36352

    Ashburn

    39.0437, -77.4875

    100% uptime

    89ms
    |
    1ms
    |
    115ms
  • 207.174.105.197

    GoCodeIT Inc

    AS835

    Ashburn

    39.0437, -77.4875

    100% uptime

    91ms
    |
    3ms
    |
    127ms
  • 216.45.58.143

    HostPapa

    AS36352

    Ashburn

    39.0437, -77.4875

    100% uptime

    90ms
    |
    15ms
    |
    125ms
  • 174.108.185.43

    Charter Communications Inc

    AS11426

    Asheboro

    35.7079, -79.8136

    100% uptime

    131ms
    |
    12ms
    |
    150ms
  • 66.191.180.201

    Charter Communications LLC

    AS20115

    Asheville

    35.6009, -82.5540

    98% uptime

    137ms
    |
    8ms
    |
    172ms
  • 75.69.196.130

    Comcast Cable Communications, LLC

    AS7922

    Assonet

    41.7959, -71.0678

    100% uptime

    121ms
    |
    4ms
    |
    190ms
  • 66.215.53.249

    Charter Communications LLC

    AS20115

    Atascadero

    35.4894, -120.6707

    100% uptime

    174ms
    |
    1ms
    |
    255ms
  • 47.32.103.94

    Charter Communications LLC

    AS20115

    Athens

    33.9609, -83.3779

    96% uptime

    117ms
    |
    9ms
    |
    69ms
  • 47.46.160.146

    Charter Communications LLC

    AS20115

    Athens

    33.9609, -83.3779

    100% uptime

    124ms
    |
    12ms
    |
    92ms
  • 66.213.78.194

    Ohio Public Library Information Network (OPLIN)

    AS26923

    Athens

    39.3292, -82.1013

    98% uptime

    102ms
    |
    6ms
    |
    101ms
  • 4.35.3.250

    Level 3 Parent, LLC

    AS3356

    Atlanta

    33.7490, -84.3880

    100% uptime

    114ms
    |
    5ms
    |
    19ms
  • 12.12.79.106

    AT&T Enterprises, LLC

    AS7018

    Atlanta

    33.7490, -84.3880

    99% uptime

    130ms
    |
    2ms
    |
    99ms
  • 12.94.92.210

    AT&T Enterprises, LLC

    AS7018

    Atlanta

    33.7490, -84.3880

    100% uptime

    122ms
    |
    1ms
    |
    153ms
  • 12.147.241.180

    AT&T Enterprises, LLC

    AS7018

    Atlanta

    33.7490, -84.3880

    100% uptime

    128ms
    |
    1ms
    |
    138ms
  • 12.147.241.181

    AT&T Enterprises, LLC

    AS7018

    Atlanta

    33.7490, -84.3880

    99% uptime

    117ms
    |
    1ms
    |
    144ms
  • 12.222.218.147

    AT&T Enterprises, LLC

    AS7018

    Atlanta

    33.7490, -84.3880

    100% uptime

    122ms
    |
    1ms
    |
    38ms
  • 24.75.157.5

    Zito Media, L.P.

    AS26801

    Atlanta

    33.7490, -84.3880

    100% uptime

    123ms
    |
    2ms
    |
    196ms
  • 24.125.133.255

    Comcast Cable Communications, LLC

    AS7922

    Atlanta

    33.7490, -84.3880

    100% uptime

    134ms
    |
    3ms
    |
    248ms
  • 38.46.50.90

    Parker FiberNet, LLC

    AS40111

    Atlanta

    33.7490, -84.3880

    98% uptime

    118ms
    |
    13ms
    |
    89ms
  • 38.46.50.203

    Parker FiberNet, LLC

    AS40111

    Atlanta

    33.7490, -84.3880

    96% uptime

    114ms
    |
    7ms
    |
    138ms
  • 38.46.50.205

    Parker FiberNet, LLC

    AS40111

    Atlanta

    33.7490, -84.3880

    100% uptime

    117ms
    |
    5ms
    |
    130ms
  • 45.32.214.201

    The Constant Company, LLC

    AS20473

    Atlanta

    33.7490, -84.3880

    100% uptime

    121ms
    |
    0ms
    |
    125ms
  • 45.32.215.151

    The Constant Company, LLC

    AS20473

    Atlanta

    33.7490, -84.3880

    100% uptime

    117ms
    |
    1ms
    |
    52ms
  • 45.32.220.189

    The Constant Company, LLC

    AS20473

    Atlanta

    33.7490, -84.3880

    100% uptime

    118ms
    |
    1ms
    |
    56ms
  • 45.32.223.207

    The Constant Company, LLC

    AS20473

    Atlanta

    33.7490, -84.3880

    100% uptime

    117ms
    |
    3ms
    |
    48ms
  • 45.33.102.210

    Akamai Connected Cloud

    AS63949

    Atlanta

    33.7490, -84.3880

    99% uptime

    121ms
    |
    1ms
    |
    26ms
  • 45.76.62.53

    The Constant Company, LLC

    AS20473

    Atlanta

    33.7490, -84.3880

    100% uptime

    120ms
    |
    2ms
    |
    46ms
  • 45.76.250.76

    The Constant Company, LLC

    AS20473

    Atlanta

    33.7490, -84.3880

    100% uptime

    121ms
    |
    1ms
    |
    51ms
  • 45.76.251.48

    The Constant Company, LLC

    AS20473

    Atlanta

    33.7490, -84.3880

    100% uptime

    120ms
    |
    6ms
    |
    58ms
  • 45.79.216.66

    Akamai Connected Cloud

    AS63949

    Atlanta

    33.7490, -84.3880

    100% uptime

    120ms
    |
    0ms
    |
    56ms
  • 45.79.218.112

    Akamai Connected Cloud

    AS63949

    Atlanta

    33.7490, -84.3880

    100% uptime

    123ms
    |
    1ms
    |
    156ms
  • 50.146.74.43

    Comcast Cable Communications, LLC

    AS7922

    Atlanta

    33.7490, -84.3880

    100% uptime

    133ms
    |
    2ms
    |
    64ms
  • 50.146.99.162

    Comcast Cable Communications, LLC

    AS7922

    Atlanta

    33.7490, -84.3880

    99% uptime

    130ms
    |
    3ms
    |
    105ms
  • 50.146.120.86

    Comcast Cable Communications, LLC

    AS7922

    Atlanta

    33.7490, -84.3880

    98% uptime

    122ms
    |
    2ms
    |
    226ms
  • 50.168.150.10

    Comcast Cable Communications, LLC

    AS7922

    Atlanta

    33.7490, -84.3880

    100% uptime

    122ms
    |
    3ms
    |
    146ms
  • 50.184.12.34

    Comcast Cable Communications, LLC

    AS7922

    Atlanta

    33.7490, -84.3880

    100% uptime

    133ms
    |
    4ms
    |
    44ms
  • 50.184.49.212

    Comcast Cable Communications, LLC

    AS7922

    Atlanta

    33.7490, -84.3880

    100% uptime

    132ms
    |
    2ms
    |
    52ms
  • 50.204.70.166

    Comcast Cable Communications, LLC

    AS7922

    Atlanta

    33.7490, -84.3880

    100% uptime

    122ms
    |
    6ms
    |
    62ms
  • 50.243.200.97

    Comcast Cable Communications, LLC

    AS7922

    Atlanta

    33.7490, -84.3880

    96% uptime

    135ms
    |
    4ms
    |
    223ms
  • 63.73.11.2

    Digital Agent

    AS16791

    Atlanta

    33.7490, -84.3880

    98% uptime

    123ms
    |
    2ms
    |
    145ms
  • 63.73.11.5

    Digital Agent

    AS16791

    Atlanta

    33.7490, -84.3880

    100% uptime

    121ms
    |
    2ms
    |
    137ms
  • 64.63.132.7

    NETWORK INNOVATIONS, LLC

    AS53828

    Atlanta

    33.7490, -84.3880

    96% uptime

    104ms
    |
    3ms
    |
    145ms
  • 64.238.200.174

    BroadbandONE, LLC

    AS7381

    Atlanta

    33.7490, -84.3880

    100% uptime

    108ms
    |
    2ms
    |
    76ms
  • 65.196.163.67

    Verizon Business

    AS701

    Atlanta

    33.7490, -84.3880

    100% uptime

    131ms
    |
    1ms
    |
    60ms
  • 66.42.80.53

    The Constant Company, LLC

    AS20473

    Atlanta

    33.7490, -84.3880

    99% uptime

    120ms
    |
    2ms
    |
    42ms
  • 66.42.82.50

    The Constant Company, LLC

    AS20473

    Atlanta

    33.7490, -84.3880

    99% uptime

    117ms
    |
    0ms
    |
    129ms
  • 66.42.82.142

    The Constant Company, LLC

    AS20473

    Atlanta

    33.7490, -84.3880

    98% uptime

    116ms
    |
    1ms
    |
    48ms
  • 66.42.84.184

    The Constant Company, LLC

    AS20473

    Atlanta

    33.7490, -84.3880

    100% uptime

    120ms
    |
    2ms
    |
    56ms
  • 66.42.86.179

    The Constant Company, LLC

    AS20473

    Atlanta

    33.7490, -84.3880

    100% uptime

    113ms
    |
    1ms
    |
    50ms