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

  • 162.212.154.60

    tzulo, inc.

    AS11878

    Chicago

    41.8798, -87.6285

    100% uptime

    106ms
    |
    5ms
    |
    218ms
  • 162.212.154.236

    tzulo, inc.

    AS11878

    Chicago

    41.8798, -87.6285

    100% uptime

    106ms
    |
    0ms
    |
    177ms
  • 162.212.155.114

    tzulo, inc.

    AS11878

    Chicago

    41.8500, -87.6500

    100% uptime

    106ms
    |
    0ms
    |
    218ms
  • 162.212.157.95

    tzulo, inc.

    AS11878

    Chicago

    41.8500, -87.6500

    99% uptime

    106ms
    |
    5ms
    |
    220ms
  • 162.212.157.220

    tzulo, inc.

    AS11878

    Chicago

    41.8500, -87.6500

    99% uptime

    106ms
    |
    4ms
    |
    136ms
  • 162.212.158.72

    tzulo, inc.

    AS11878

    Chicago

    41.8798, -87.6285

    100% uptime

    106ms
    |
    5ms
    |
    217ms
  • 163.192.205.193

    Oracle Corporation

    AS31898

    Chicago

    41.8500, -87.6500

    100% uptime

    112ms
    |
    0ms
    |
    10ms
  • 165.75.3.163

    Sirius Computer Solutions, Inc.

    AS63474

    Chicago

    41.8500, -87.6500

    100% uptime

    121ms
    |
    0ms
    |
    14ms
  • 168.73.75.70

    T-Mobile USA, Inc.

    AS21928

    Chicago

    41.8500, -87.6500

    94% uptime

    154ms
    |
    52ms
    |
    289ms
  • 169.150.236.50

    Datacamp Limited

    AS60068

    Chicago

    41.8500, -87.6500

    100% uptime

    107ms
    |
    1ms
    |
    110ms
  • 172.85.197.198

    Granite Telecommunications LLC

    AS16504

    Chicago

    41.8500, -87.6500

    98% uptime

    134ms
    |
    1ms
    |
    193ms
  • 172.232.9.17

    Akamai Connected Cloud

    AS63949

    Chicago

    41.8500, -87.6500

    100% uptime

    108ms
    |
    0ms
    |
    118ms
  • 172.232.10.147

    Akamai Connected Cloud

    AS63949

    Chicago

    41.8500, -87.6500

    94% uptime

    119ms
    |
    1ms
    |
    27ms
  • 172.234.25.16

    Akamai Connected Cloud

    AS63949

    Chicago

    41.8500, -87.6500

    99% uptime

    110ms
    |
    1ms
    |
    129ms
  • 172.234.30.133

    Akamai Connected Cloud

    AS63949

    Chicago

    41.8500, -87.6500

    100% uptime

    110ms
    |
    1ms
    |
    222ms
  • 172.236.118.118

    Akamai Connected Cloud

    AS63949

    Chicago

    41.8500, -87.6500

    100% uptime

    110ms
    |
    1ms
    |
    33ms
  • 173.236.109.18

    Internap Holding LLC

    AS32475

    Chicago

    41.8500, -87.6500

    100% uptime

    101ms
    |
    1ms
    |
    91ms
  • 174.127.120.52

    THG HOSTING LIMITED

    AS13213

    Chicago

    41.8500, -87.6500

    98% uptime

    100ms
    |
    1ms
    |
    194ms
  • 181.215.89.126

    Hivelocity LLC

    AS61317

    Chicago

    41.8500, -87.6500

    100% uptime

    115ms
    |
    4ms
    |
    161ms
  • 191.96.51.254

    Hivelocity LLC

    AS61317

    Chicago

    41.8500, -87.6500

    100% uptime

    118ms
    |
    4ms
    |
    151ms
  • 205.178.76.117

    RCN

    AS6079

    Chicago

    41.8500, -87.6500

    100% uptime

    124ms
    |
    3ms
    |
    170ms
  • 206.130.120.153

    THG HOSTING LIMITED

    AS13213

    Chicago

    41.8500, -87.6500

    99% uptime

    100ms
    |
    1ms
    |
    184ms
  • 207.121.6.84

    Level 3 Parent, LLC

    AS3356

    Chicago

    41.8500, -87.6500

    100% uptime

    119ms
    |
    2ms
    |
    82ms
  • 207.121.59.148

    Level 3 Parent, LLC

    AS3356

    Chicago

    41.8500, -87.6500

    100% uptime

    117ms
    |
    2ms
    |
    86ms
  • 207.181.192.252

    RCN

    AS6079

    Chicago

    41.8500, -87.6500

    99% uptime

    111ms
    |
    0ms
    |
    122ms
  • 207.181.192.253

    RCN

    AS6079

    Chicago

    41.8500, -87.6500

    99% uptime

    112ms
    |
    0ms
    |
    122ms
  • 207.211.188.53

    Oracle Corporation

    AS31898

    Chicago

    41.8500, -87.6500

    100% uptime

    112ms
    |
    0ms
    |
    96ms
  • 207.229.111.127

    Nutrien

    AS393891

    Chicago

    41.8500, -87.6500

    100% uptime

    103ms
    |
    15ms
    |
    127ms
  • 207.229.143.1

    RCN

    AS6079

    Chicago

    41.8500, -87.6500

    100% uptime

    112ms
    |
    0ms
    |
    121ms
  • 207.229.143.2

    RCN

    AS6079

    Chicago

    41.8500, -87.6500

    100% uptime

    112ms
    |
    0ms
    |
    122ms
  • 208.100.30.194

    HIVELOCITY, Inc.

    AS29802

    Chicago

    41.8500, -87.6500

    100% uptime

    119ms
    |
    4ms
    |
    151ms
  • 208.100.42.158

    Steadfast

    AS32748

    Chicago

    41.8500, -87.6500

    100% uptime

    119ms
    |
    4ms
    |
    155ms
  • 208.117.38.205

    BigScoots

    AS394303

    Chicago

    41.8500, -87.6500

    100% uptime

    110ms
    |
    4ms
    |
    24ms
  • 212.78.26.134

    OPIQUAD S.P.A.

    AS8855

    Chicago

    41.8500, -87.6500

    100% uptime

    105ms
    |
    0ms
    |
    123ms
  • 216.80.19.37

    RCN

    AS6079

    Chicago

    41.8500, -87.6500

    100% uptime

    112ms
    |
    0ms
    |
    120ms
  • 216.80.19.39

    RCN

    AS6079

    Chicago

    41.8500, -87.6500

    100% uptime

    112ms
    |
    0ms
    |
    120ms
  • 216.80.19.40

    RCN

    AS6079

    Chicago

    41.8500, -87.6500

    99% uptime

    112ms
    |
    0ms
    |
    120ms
  • 96.32.114.213

    Charter Communications LLC

    AS20115

    Chicopee

    42.1487, -72.6079

    100% uptime

    119ms
    |
    12ms
    |
    158ms
  • 147.136.230.134

    Holyoke Gas & Electric Department

    AS19323

    Chicopee

    42.1487, -72.6079

    98% uptime

    101ms
    |
    1ms
    |
    38ms
  • 199.60.23.115

    Holyoke Gas & Electric Department

    AS19323

    Chicopee

    42.1487, -72.6079

    100% uptime

    99ms
    |
    1ms
    |
    133ms
  • 74.84.88.162

    Mediacom Communications Corp

    AS30036

    Chillicothe

    40.9223, -89.4862

    99% uptime

    113ms
    |
    3ms
    |
    180ms
  • 74.62.29.166

    Charter Communications Inc

    AS20001

    Chino

    34.0122, -117.6889

    100% uptime

    176ms
    |
    1ms
    |
    341ms
  • 47.145.199.182

    Frontier Communications of America, Inc.

    AS5650

    Chino Hills

    33.9938, -117.7589

    100% uptime

    168ms
    |
    8ms
    |
    103ms
  • 45.20.162.242

    AT&T Enterprises, LLC

    AS7018

    Cicero

    41.8456, -87.7539

    100% uptime

    118ms
    |
    15ms
    |
    165ms
  • 45.20.162.244

    AT&T Enterprises, LLC

    AS7018

    Cicero

    41.8456, -87.7539

    99% uptime

    119ms
    |
    2ms
    |
    165ms
  • 99.158.164.229

    AT&T Enterprises, LLC

    AS7018

    Cicero

    41.8456, -87.7539

    94% uptime

    114ms
    |
    0ms
    |
    259ms
  • 104.52.126.1

    AT&T Enterprises, LLC

    AS7018

    Cicero

    41.8456, -87.7539

    99% uptime

    115ms
    |
    1ms
    |
    56ms
  • 180.181.51.20

    CABLE ONE, INC.

    AS11492

    Clarksdale

    34.2001, -90.5709

    100% uptime

    152ms
    |
    2ms
    |
    118ms
  • 208.88.172.221

    CLARKSVILLE DEPARTMENT OF ELECTRICITY

    AS40749

    Clarksville

    36.5298, -87.3594

    100% uptime

    113ms
    |
    4ms
    |
    27ms
  • 159.242.42.20

    Northland Communications Inc.

    AS394907

    Clear Lake

    43.1380, -93.3794

    100% uptime

    110ms
    |
    2ms
    |
    265ms
  • 159.242.42.166

    Northland Communications Inc.

    AS394907

    Clear Lake

    43.1380, -93.3794

    100% uptime

    110ms
    |
    1ms
    |
    111ms
  • 47.206.227.64

    Frontier Communications of America, Inc.

    AS5650

    Clearwater

    27.9658, -82.8001

    100% uptime

    130ms
    |
    3ms
    |
    35ms
  • 173.168.82.195

    Charter Communications, Inc

    AS33363

    Clermont

    28.5494, -81.7729

    100% uptime

    126ms
    |
    1ms
    |
    226ms
  • 12.204.141.202

    AT&T Enterprises, LLC

    AS7018

    Cleveland

    33.7440, -90.7248

    100% uptime

    137ms
    |
    1ms
    |
    478ms
  • 38.191.171.109

    Western Reserve Communications, LLC

    AS399541

    Cleveland

    41.4995, -81.6954

    100% uptime

    93ms
    |
    1ms
    |
    100ms
  • 40.134.15.111

    Windstream Communications LLC

    AS7029

    Cleveland

    41.4995, -81.6954

    100% uptime

    97ms
    |
    1ms
    |
    153ms
  • 66.128.128.23

    North Georgia Network Cooperative, Inc.

    AS54665

    Cleveland

    34.5970, -83.7632

    94% uptime

    125ms
    |
    1ms
    |
    152ms
  • 70.61.190.242

    Charter Communications Inc

    AS10796

    Cleveland

    41.4995, -81.6954

    100% uptime

    111ms
    |
    19ms
    |
    98ms
  • 72.172.4.147

    Windstream Communications LLC

    AS7029

    Cleveland

    34.5970, -83.7632

    100% uptime

    141ms
    |
    4ms
    |
    210ms
  • 75.89.45.188

    Windstream Communications LLC

    AS7029

    Cleveland

    41.4995, -81.6954

    100% uptime

    110ms
    |
    0ms
    |
    162ms
  • 147.0.22.82

    Charter Communications Inc

    AS10796

    Cleveland

    41.4995, -81.6954

    100% uptime

    122ms
    |
    0ms
    |
    167ms
  • 192.34.173.87

    North Georgia Network Cooperative, Inc.

    AS54665

    Cleveland

    34.5970, -83.7632

    98% uptime

    120ms
    |
    4ms
    |
    30ms
  • 208.88.44.6

    NetX Internet, LLC.

    AS53451

    Cleveland

    41.4995, -81.6954

    100% uptime

    93ms
    |
    1ms
    |
    147ms
  • 45.55.68.52

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    100% uptime

    85ms
    |
    2ms
    |
    130ms
  • 45.55.90.46

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    94% uptime

    85ms
    |
    2ms
    |
    48ms
  • 45.55.142.122

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    88% uptime

    86ms
    |
    2ms
    |
    89ms
  • 45.55.223.166

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    100% uptime

    85ms
    |
    3ms
    |
    25ms
  • 45.55.237.82

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    100% uptime

    85ms
    |
    2ms
    |
    53ms
  • 64.225.61.235

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    100% uptime

    85ms
    |
    2ms
    |
    138ms
  • 68.183.158.173

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    100% uptime

    85ms
    |
    2ms
    |
    48ms
  • 104.131.82.154

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    100% uptime

    84ms
    |
    2ms
    |
    52ms
  • 104.131.186.154

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    100% uptime

    85ms
    |
    2ms
    |
    230ms
  • 104.236.27.13

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    99% uptime

    85ms
    |
    2ms
    |
    46ms
  • 104.236.54.2

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    94% uptime

    85ms
    |
    2ms
    |
    45ms
  • 104.236.64.20

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    100% uptime

    86ms
    |
    2ms
    |
    45ms
  • 104.248.1.9

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    100% uptime

    85ms
    |
    2ms
    |
    131ms
  • 134.122.8.85

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    100% uptime

    85ms
    |
    2ms
    |
    128ms
  • 134.209.42.144

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    100% uptime

    84ms
    |
    2ms
    |
    115ms
  • 134.209.172.200

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    94% uptime

    85ms
    |
    2ms
    |
    65ms
  • 138.197.7.120

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    94% uptime

    85ms
    |
    2ms
    |
    46ms
  • 138.197.17.31

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    99% uptime

    85ms
    |
    2ms
    |
    50ms
  • 138.197.67.33

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    100% uptime

    85ms
    |
    2ms
    |
    129ms
  • 138.197.70.11

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    98% uptime

    85ms
    |
    5ms
    |
    112ms
  • 138.197.76.71

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    100% uptime

    84ms
    |
    2ms
    |
    43ms
  • 138.197.98.125

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    100% uptime

    85ms
    |
    2ms
    |
    51ms
  • 138.197.104.41

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    100% uptime

    88ms
    |
    2ms
    |
    46ms
  • 138.197.109.254

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    100% uptime

    85ms
    |
    2ms
    |
    128ms
  • 138.197.111.217

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    99% uptime

    85ms
    |
    2ms
    |
    95ms
  • 142.93.179.219

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    100% uptime

    86ms
    |
    11ms
    |
    27ms
  • 142.93.184.226

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    100% uptime

    86ms
    |
    2ms
    |
    125ms
  • 157.245.1.68

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    100% uptime

    85ms
    |
    2ms
    |
    133ms
  • 157.245.115.228

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    100% uptime

    85ms
    |
    2ms
    |
    140ms
  • 159.65.245.33

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    100% uptime

    84ms
    |
    2ms
    |
    25ms
  • 159.203.82.110

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    94% uptime

    85ms
    |
    2ms
    |
    66ms
  • 159.203.84.204

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    99% uptime

    84ms
    |
    2ms
    |
    20ms
  • 159.203.98.153

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    100% uptime

    85ms
    |
    2ms
    |
    129ms
  • 159.203.116.27

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8344, -74.1377

    100% uptime

    85ms
    |
    5ms
    |
    46ms
  • 159.203.133.157

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    100% uptime

    86ms
    |
    10ms
    |
    40ms
  • 159.203.144.85

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    100% uptime

    85ms
    |
    2ms
    |
    132ms
  • 159.203.168.133

    DigitalOcean, LLC

    AS14061

    Clifton

    40.8584, -74.1638

    100% uptime

    86ms
    |
    2ms
    |
    48ms