DNS Servers

United States of America 4611 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

  • 23.244.70.6

    Breezeline

    AS11776

    Charlotte

    42.5637, -84.8358

    100% uptime

    116ms
    |
    9ms
    |
    225ms
  • 40.133.65.103

    Windstream Communications LLC

    AS7029

    Charlotte

    35.2271, -80.8431

    94% uptime

    121ms
    |
    0ms
    |
    111ms
  • 71.75.138.217

    Charter Communications Inc

    AS11426

    Charlotte

    35.2271, -80.8431

    88% uptime

    126ms
    |
    4ms
    |
    90ms
  • 98.17.73.83

    Windstream Communications LLC

    AS7029

    Charlotte

    35.2271, -80.8431

    100% uptime

    112ms
    |
    1ms
    |
    216ms
  • 153.33.194.216

    PAVLOV MEDIA INC

    AS23473

    Charlotte

    35.2271, -80.8431

    100% uptime

    105ms
    |
    0ms
    |
    192ms
  • 165.166.35.251

    Spirit Communications

    AS2711

    Charlotte

    35.2271, -80.8431

    98% uptime

    108ms
    |
    2ms
    |
    78ms
  • 170.103.1.119

    Breezeline

    AS11776

    Charlotte

    42.5637, -84.8358

    98% uptime

    123ms
    |
    8ms
    |
    271ms
  • 206.74.123.178

    Spirit Communications

    AS2711

    Charlotte

    35.2271, -80.8431

    100% uptime

    115ms
    |
    22ms
    |
    35ms
  • 207.144.237.163

    Spirit Communications

    AS2711

    Charlotte

    35.2271, -80.8431

    98% uptime

    113ms
    |
    1ms
    |
    98ms
  • 98.244.79.19

    Comcast Cable Communications, LLC

    AS7922

    Charlottesville

    38.0293, -78.4767

    98% uptime

    111ms
    |
    4ms
    |
    210ms
  • 32.143.225.42

    AT&T Enterprises, LLC

    AS7018

    Chattanooga

    35.0456, -85.3097

    98% uptime

    132ms
    |
    1ms
    |
    194ms
  • 66.18.38.73

    EPB Fiber Optics

    AS26827

    Chattanooga

    35.0456, -85.3097

    99% uptime

    117ms
    |
    2ms
    |
    87ms
  • 68.169.182.166

    EPB Fiber Optics

    AS26827

    Chattanooga

    35.0456, -85.3097

    100% uptime

    119ms
    |
    3ms
    |
    101ms
  • 184.174.152.6

    EPB Fiber Optics

    AS26827

    Chattanooga

    35.0456, -85.3097

    99% uptime

    116ms
    |
    2ms
    |
    64ms
  • 64.19.74.3

    Slic Network Solutions, Inc

    AS11722

    Chazy

    44.8898, -73.4360

    100% uptime

    103ms
    |
    0ms
    |
    277ms
  • 24.39.48.146

    Charter Communications Inc

    AS11351

    Cheektowaga

    42.9034, -78.7548

    100% uptime

    123ms
    |
    0ms
    |
    182ms
  • 70.22.182.180

    Verizon Business

    AS701

    Chelmsford

    42.5998, -71.3673

    98% uptime

    109ms
    |
    1ms
    |
    135ms
  • 161.38.129.92

    Fidelity Communication International Inc.

    AS11976

    Cherokee Village

    36.2978, -91.5160

    100% uptime

    132ms
    |
    1ms
    |
    60ms
  • 96.248.71.106

    Verizon Business

    AS701

    Cherry Hill

    39.9348, -75.0307

    99% uptime

    104ms
    |
    1ms
    |
    116ms
  • 143.109.166.4

    Clarity Telecom LLC

    AS20412

    Cheyenne

    41.1400, -104.8203

    100% uptime

    126ms
    |
    1ms
    |
    78ms
  • 12.50.228.114

    AT&T Enterprises, LLC

    AS7018

    Chicago

    41.8500, -87.6500

    100% uptime

    123ms
    |
    13ms
    |
    166ms
  • 12.144.27.234

    AT&T Enterprises, LLC

    AS7018

    Chicago

    41.8500, -87.6500

    100% uptime

    120ms
    |
    0ms
    |
    174ms
  • 12.178.223.238

    AT&T Enterprises, LLC

    AS7018

    Chicago

    41.8500, -87.6500

    100% uptime

    117ms
    |
    0ms
    |
    96ms
  • 12.187.219.19

    AT&T Enterprises, LLC

    AS7018

    Chicago

    41.8500, -87.6500

    100% uptime

    120ms
    |
    0ms
    |
    74ms
  • 23.19.180.32

    Leaseweb USA, Inc.

    AS27411

    Chicago

    41.8500, -87.6500

    100% uptime

    117ms
    |
    9ms
    |
    23ms
  • 23.158.233.38

    tzulo, inc.

    AS11878

    Chicago

    41.8500, -87.6500

    100% uptime

    106ms
    |
    0ms
    |
    50ms
  • 23.227.194.99

    HIVELOCITY, Inc.

    AS29802

    Chicago

    41.8500, -87.6500

    100% uptime

    111ms
    |
    2ms
    |
    12ms
  • 24.136.29.240

    RCN

    AS6079

    Chicago

    41.8500, -87.6500

    100% uptime

    123ms
    |
    1ms
    |
    166ms
  • 24.148.68.222

    RCN

    AS6079

    Chicago

    41.8500, -87.6500

    100% uptime

    122ms
    |
    1ms
    |
    196ms
  • 24.148.79.35

    RCN

    AS6079

    Chicago

    41.8500, -87.6500

    88% uptime

    122ms
    |
    1ms
    |
    192ms
  • 24.219.5.37

    Access Media Holdings, LLC

    AS8092

    Chicago

    41.8500, -87.6500

    94% uptime

    104ms
    |
    2ms
    |
    116ms
  • 24.219.12.252

    Access Media Holdings, LLC

    AS8092

    Chicago

    41.8500, -87.6500

    100% uptime

    120ms
    |
    1ms
    |
    38ms
  • 32.132.59.86

    AT&T Enterprises, LLC

    AS7018

    Chicago

    41.8500, -87.6500

    100% uptime

    118ms
    |
    13ms
    |
    159ms
  • 32.141.73.6

    AT&T Enterprises, LLC

    AS7018

    Chicago

    41.8500, -87.6500

    100% uptime

    118ms
    |
    0ms
    |
    363ms
  • 38.114.121.196

    GTHost

    AS63023

    Chicago

    41.8500, -87.6500

    100% uptime

    114ms
    |
    21ms
    |
    125ms
  • 38.140.113.211

    Cogent Communications, LLC

    AS174

    Chicago

    41.8500, -87.6500

    100% uptime

    114ms
    |
    5ms
    |
    16ms
  • 38.180.204.86

    HIVELOCITY, Inc.

    AS29802

    Chicago

    41.8500, -87.6500

    100% uptime

    119ms
    |
    4ms
    |
    23ms
  • 45.33.198.3

    Genesis Hosting Solutions, LLC

    AS53914

    Chicago

    41.8500, -87.6500

    100% uptime

    100ms
    |
    1ms
    |
    203ms
  • 45.41.206.105

    GigeNET

    AS32181

    Chicago

    41.8500, -87.6500

    100% uptime

    106ms
    |
    0ms
    |
    146ms
  • 50.220.106.242

    Comcast Cable Communications, LLC

    AS7922

    Chicago

    41.8500, -87.6500

    99% uptime

    136ms
    |
    1ms
    |
    151ms
  • 62.192.173.172

    Virtual Machine Solutions LLC

    AS25693

    Chicago

    41.8500, -87.6500

    99% uptime

    112ms
    |
    0ms
    |
    29ms
  • 64.44.23.242

    Nexeon Technologies, Inc.

    AS20278

    Chicago

    41.8500, -87.6500

    100% uptime

    106ms
    |
    0ms
    |
    90ms
  • 64.181.197.201

    Oracle Corporation

    AS31898

    Chicago

    41.8500, -87.6500

    100% uptime

    112ms
    |
    0ms
    |
    154ms
  • 64.233.207.2

    WideOpenWest Finance LLC

    AS12083

    Chicago

    41.8500, -87.6500

    100% uptime

    111ms
    |
    0ms
    |
    120ms
  • 66.23.205.226

    Dedicated.com

    AS63018

    Chicago

    41.8500, -87.6500

    100% uptime

    109ms
    |
    1ms
    |
    83ms
  • 66.23.205.227

    Dedicated.com

    AS63018

    Chicago

    41.8500, -87.6500

    100% uptime

    109ms
    |
    1ms
    |
    80ms
  • 66.23.205.228

    Dedicated.com

    AS63018

    Chicago

    41.8500, -87.6500

    100% uptime

    104ms
    |
    2ms
    |
    77ms
  • 66.23.205.230

    Dedicated.com

    AS63018

    Chicago

    41.8500, -87.6500

    94% uptime

    109ms
    |
    1ms
    |
    91ms
  • 66.207.44.21

    Webair Internet Development Company Inc.

    AS396528

    Chicago

    41.8500, -87.6500

    100% uptime

    100ms
    |
    1ms
    |
    18ms
  • 68.70.162.70

    CONVERGEONE HOLDINGS, INC.

    AS22458

    Chicago

    41.8500, -87.6500

    100% uptime

    100ms
    |
    1ms
    |
    77ms
  • 69.175.117.146

    Internap Holding LLC

    AS32475

    Chicago

    41.8500, -87.6500

    99% uptime

    101ms
    |
    1ms
    |
    117ms
  • 70.89.220.117

    Comcast Cable Communications, LLC

    AS7922

    Chicago

    41.8500, -87.6500

    100% uptime

    135ms
    |
    1ms
    |
    243ms
  • 71.194.184.69

    Comcast Cable Communications, LLC

    AS7922

    Chicago

    41.8500, -87.6500

    100% uptime

    134ms
    |
    3ms
    |
    222ms
  • 73.8.243.79

    Comcast Cable Communications, LLC

    AS7922

    Chicago

    41.8500, -87.6500

    100% uptime

    135ms
    |
    3ms
    |
    227ms
  • 73.44.170.196

    Comcast Cable Communications, LLC

    AS7922

    Chicago

    41.8500, -87.6500

    98% uptime

    131ms
    |
    1ms
    |
    90ms
  • 74.119.218.4

    SBA Edge, LLC

    AS53264

    Chicago

    41.8500, -87.6500

    98% uptime

    106ms
    |
    2ms
    |
    155ms
  • 74.199.150.204

    GTT Communications Inc.

    AS3257

    Chicago

    41.8500, -87.6500

    100% uptime

    105ms
    |
    1ms
    |
    154ms
  • 76.136.173.45

    Comcast Cable Communications, LLC

    AS7922

    Chicago

    41.8500, -87.6500

    88% uptime

    137ms
    |
    3ms
    |
    248ms
  • 79.141.160.54

    HZ Hosting Ltd

    AS202015

    Chicago

    41.8500, -87.6500

    98% uptime

    112ms
    |
    2ms
    |
    20ms
  • 84.32.131.176

    UAB Cherry Servers

    AS204770

    Chicago

    41.8500, -87.6500

    100% uptime

    119ms
    |
    0ms
    |
    1ms
  • 104.129.12.233

    HostPapa

    AS36352

    Chicago

    41.8500, -87.6500

    88% uptime

    101ms
    |
    0ms
    |
    190ms
  • 107.152.32.112

    tzulo, inc.

    AS11878

    Chicago

    41.8500, -87.6500

    99% uptime

    106ms
    |
    5ms
    |
    211ms
  • 107.152.33.160

    tzulo, inc.

    AS11878

    Chicago

    41.8500, -87.6500

    100% uptime

    106ms
    |
    0ms
    |
    221ms
  • 107.152.35.7

    tzulo, inc.

    AS11878

    Chicago

    41.8500, -87.6500

    94% uptime

    106ms
    |
    0ms
    |
    219ms
  • 107.152.35.66

    tzulo, inc.

    AS11878

    Chicago

    41.8500, -87.6500

    99% uptime

    106ms
    |
    4ms
    |
    215ms
  • 107.152.35.183

    tzulo, inc.

    AS11878

    Chicago

    41.8500, -87.6500

    99% uptime

    106ms
    |
    4ms
    |
    223ms
  • 107.152.36.201

    tzulo, inc.

    AS11878

    Chicago

    41.8798, -87.6285

    100% uptime

    106ms
    |
    4ms
    |
    216ms
  • 107.152.37.94

    tzulo, inc.

    AS11878

    Chicago

    41.8500, -87.6500

    99% uptime

    106ms
    |
    5ms
    |
    238ms
  • 107.152.38.62

    tzulo, inc.

    AS11878

    Chicago

    41.8500, -87.6500

    99% uptime

    106ms
    |
    4ms
    |
    222ms
  • 107.152.39.36

    tzulo, inc.

    AS11878

    Chicago

    41.8500, -87.6500

    98% uptime

    106ms
    |
    4ms
    |
    219ms
  • 107.152.42.197

    tzulo, inc.

    AS11878

    Chicago

    41.8500, -87.6500

    99% uptime

    106ms
    |
    4ms
    |
    222ms
  • 107.152.42.234

    tzulo, inc.

    AS11878

    Chicago

    41.8500, -87.6500

    100% uptime

    106ms
    |
    4ms
    |
    130ms
  • 108.62.103.130

    Leaseweb USA, Inc.

    AS27411

    Chicago

    41.8500, -87.6500

    99% uptime

    119ms
    |
    2ms
    |
    19ms
  • 108.160.204.83

    SilverIP Communications Inc.

    AS46811

    Chicago

    41.8500, -87.6500

    98% uptime

    108ms
    |
    3ms
    |
    136ms
  • 108.181.62.133

    Psychz Networks

    AS40676

    Chicago

    41.8500, -87.6500

    100% uptime

    98ms
    |
    2ms
    |
    82ms
  • 108.181.62.189

    Psychz Networks

    AS40676

    Chicago

    41.8500, -87.6500

    100% uptime

    102ms
    |
    2ms
    |
    84ms
  • 108.181.62.201

    Psychz Networks

    AS40676

    Chicago

    41.8500, -87.6500

    100% uptime

    102ms
    |
    2ms
    |
    81ms
  • 130.51.22.177

    tzulo, inc.

    AS11878

    Chicago

    41.8500, -87.6500

    100% uptime

    106ms
    |
    1ms
    |
    218ms
  • 134.204.79.250

    Granite Telecommunications LLC

    AS16504

    Chicago

    41.8500, -87.6500

    100% uptime

    129ms
    |
    0ms
    |
    184ms
  • 136.30.152.53

    Webpass Inc.

    AS19165

    Chicago

    41.8500, -87.6500

    100% uptime

    109ms
    |
    0ms
    |
    105ms
  • 143.170.135.246

    Granite Telecommunications LLC

    AS16504

    Chicago

    41.8500, -87.6500

    100% uptime

    123ms
    |
    1ms
    |
    168ms
  • 144.91.185.177

    NETWORK INNOVATIONS, LLC

    AS53828

    Chicago

    41.8500, -87.6500

    100% uptime

    102ms
    |
    2ms
    |
    236ms
  • 149.75.128.164

    RCN

    AS6079

    Chicago

    41.8500, -87.6500

    100% uptime

    124ms
    |
    7ms
    |
    190ms
  • 149.75.208.152

    RCN

    AS6079

    Chicago

    41.8500, -87.6500

    100% uptime

    124ms
    |
    2ms
    |
    173ms
  • 149.87.156.42

    SkyQuantum Internet Service

    AS55201

    Chicago

    41.8500, -87.6500

    88% uptime

    141ms
    |
    17ms
    |
    79ms
  • 154.16.127.254

    Hivelocity LLC

    AS61317

    Chicago

    41.8500, -87.6500

    100% uptime

    118ms
    |
    4ms
    |
    19ms
  • 154.16.135.254

    Hivelocity LLC

    AS61317

    Chicago

    41.8500, -87.6500

    100% uptime

    119ms
    |
    5ms
    |
    145ms
  • 154.127.52.254

    Hivelocity LLC

    AS61317

    Chicago

    41.8500, -87.6500

    100% uptime

    119ms
    |
    4ms
    |
    159ms
  • 157.130.104.254

    Verizon Business

    AS701

    Chicago

    41.8500, -87.6500

    100% uptime

    117ms
    |
    6ms
    |
    74ms
  • 162.191.74.82

    T-Mobile USA, Inc.

    AS21928

    Chicago

    41.8500, -87.6500

    100% uptime

    212ms
    |
    71ms
    |
    206ms
  • 162.191.75.101

    T-Mobile USA, Inc.

    AS21928

    Chicago

    41.8500, -87.6500

    100% uptime

    170ms
    |
    37ms
    |
    243ms
  • 162.191.124.196

    T-Mobile USA, Inc.

    AS21928

    Chicago

    41.8500, -87.6500

    88% uptime

    204ms
    |
    76ms
    |
    235ms
  • 162.191.142.222

    T-Mobile USA, Inc.

    AS21928

    Chicago

    41.8500, -87.6500

    100% uptime

    199ms
    |
    77ms
    |
    216ms
  • 162.191.209.102

    T-Mobile USA, Inc.

    AS21928

    Chicago

    41.8500, -87.6500

    88% uptime

    178ms
    |
    50ms
    |
    170ms
  • 162.191.216.43

    T-Mobile USA, Inc.

    AS21928

    Chicago

    41.8500, -87.6500

    94% uptime

    162ms
    |
    92ms
    |
    177ms
  • 162.212.152.33

    tzulo, inc.

    AS11878

    Chicago

    41.8500, -87.6500

    100% uptime

    106ms
    |
    1ms
    |
    220ms
  • 162.212.152.165

    tzulo, inc.

    AS11878

    Chicago

    41.8500, -87.6500

    100% uptime

    106ms
    |
    4ms
    |
    213ms
  • 162.212.152.241

    tzulo, inc.

    AS11878

    Chicago

    41.8500, -87.6500

    99% uptime

    106ms
    |
    5ms
    |
    216ms
  • 162.212.153.52

    tzulo, inc.

    AS11878

    Chicago

    41.8500, -87.6500

    99% uptime

    106ms
    |
    4ms
    |
    223ms
  • 162.212.153.174

    tzulo, inc.

    AS11878

    Chicago

    41.8500, -87.6500

    94% uptime

    106ms
    |
    0ms
    |
    223ms