DNS Servers

United States of America 4295 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

  • 104.36.105.133

    ezWave Inc.

    AS40772

    Oakdale

    37.7666, -120.8471

    100% uptime

    177ms
    |
    13ms
    |
    185ms
  • 184.105.113.250

    Data Stream

    AS54502

    Oakdale

    44.9630, -92.9649

    100% uptime

    113ms
    |
    3ms
    |
    174ms
  • 216.59.163.88

    Mid-Hudson Cablevision, Inc.

    AS32953

    Oakdale

    42.2512, -73.7801

    100% uptime

    95ms
    |
    2ms
    |
    172ms
  • 12.230.136.81

    AT&T Enterprises, LLC

    AS7018

    Oak Grove

    32.8610, -91.3885

    100% uptime

    148ms
    |
    1ms
    |
    51ms
  • 12.5.4.46

    AT&T Enterprises, LLC

    AS7018

    Oakland

    37.8044, -122.2708

    100% uptime

    165ms
    |
    58ms
    |
    135ms
  • 23.93.238.109

    Sonic Telecom LLC

    AS46375

    Oakland

    37.8044, -122.2708

    100% uptime

    162ms
    |
    1ms
    |
    190ms
  • 24.7.115.231

    Comcast Cable Communications, LLC

    AS7922

    Oakland

    37.8044, -122.2708

    100% uptime

    177ms
    |
    3ms
    |
    146ms
  • 50.196.174.178

    Comcast Cable Communications, LLC

    AS7922

    Oakland

    37.8044, -122.2708

    100% uptime

    176ms
    |
    3ms
    |
    121ms
  • 67.180.154.234

    Comcast Cable Communications, LLC

    AS7922

    Oakland

    37.8044, -122.2708

    100% uptime

    176ms
    |
    2ms
    |
    306ms
  • 96.74.95.33

    Comcast Cable Communications, LLC

    AS7922

    Oakland

    37.8044, -122.2708

    99% uptime

    172ms
    |
    6ms
    |
    136ms
  • 98.51.175.13

    Comcast Cable Communications, LLC

    AS7922

    Oakland

    37.8044, -122.2708

    94% uptime

    170ms
    |
    2ms
    |
    305ms
  • 135.180.7.252

    Sonic Telecom LLC

    AS46375

    Oakland

    37.8044, -122.2708

    99% uptime

    163ms
    |
    1ms
    |
    189ms
  • 135.180.199.191

    Sonic Telecom LLC

    AS46375

    Oakland

    37.8044, -122.2708

    100% uptime

    164ms
    |
    1ms
    |
    192ms
  • 204.111.97.96

    Shenandoah Cable Television LLC

    AS4922

    Oakland

    39.4079, -79.4067

    100% uptime

    120ms
    |
    8ms
    |
    129ms
  • 32.141.40.202

    AT&T Enterprises, LLC

    AS7018

    Oak Lawn

    41.7109, -87.7581

    99% uptime

    119ms
    |
    0ms
    |
    152ms
  • 32.141.40.250

    AT&T Enterprises, LLC

    AS7018

    Oak Lawn

    41.7109, -87.7581

    99% uptime

    120ms
    |
    7ms
    |
    150ms
  • 50.193.180.197

    Comcast Cable Communications, LLC

    AS7922

    Oak Ridge

    36.0104, -84.2696

    100% uptime

    145ms
    |
    2ms
    |
    230ms
  • 216.227.34.5

    Fidium

    AS5742

    Oblong

    39.0020, -87.9089

    100% uptime

    119ms
    |
    1ms
    |
    188ms
  • 137.83.64.121

    Coast Communications Company

    AS55214

    Ocean Shores

    46.9737, -124.1563

    100% uptime

    162ms
    |
    4ms
    |
    221ms
  • 216.116.1.0

    Coast Communications Company

    AS55214

    Ocean Shores

    46.9737, -124.1563

    100% uptime

    165ms
    |
    4ms
    |
    231ms
  • 72.24.132.54

    CABLE ONE, INC.

    AS11492

    Odessa

    31.8457, -102.3676

    99% uptime

    141ms
    |
    1ms
    |
    82ms
  • 96.18.5.228

    CABLE ONE, INC.

    AS11492

    Odessa

    31.8457, -102.3676

    100% uptime

    135ms
    |
    0ms
    |
    186ms
  • 96.18.5.229

    CABLE ONE, INC.

    AS11492

    Odessa

    31.8457, -102.3676

    100% uptime

    132ms
    |
    0ms
    |
    180ms
  • 96.18.5.230

    CABLE ONE, INC.

    AS11492

    Odessa

    31.8457, -102.3676

    99% uptime

    131ms
    |
    10ms
    |
    184ms
  • 66.210.40.234

    Cox Communications Inc.

    AS22773

    Oklahoma City

    35.4676, -97.5164

    94% uptime

    142ms
    |
    1ms
    |
    224ms
  • 66.210.46.251

    Cox Communications Inc.

    AS22773

    Oklahoma City

    35.4676, -97.5164

    100% uptime

    141ms
    |
    1ms
    |
    189ms
  • 66.210.95.54

    Cox Communications Inc.

    AS22773

    Oklahoma City

    35.4676, -97.5164

    100% uptime

    142ms
    |
    0ms
    |
    269ms
  • 66.210.95.56

    Cox Communications Inc.

    AS22773

    Oklahoma City

    35.4676, -97.5164

    100% uptime

    141ms
    |
    1ms
    |
    242ms
  • 66.210.95.58

    Cox Communications Inc.

    AS22773

    Oklahoma City

    35.4676, -97.5164

    89% uptime

    141ms
    |
    0ms
    |
    234ms
  • 66.210.95.59

    Cox Communications Inc.

    AS22773

    Oklahoma City

    35.4676, -97.5164

    98% uptime

    141ms
    |
    2ms
    |
    192ms
  • 68.15.243.43

    Cox Communications Inc.

    AS22773

    Oklahoma City

    35.4676, -97.5164

    100% uptime

    147ms
    |
    1ms
    |
    213ms
  • 68.15.248.5

    Cox Communications Inc.

    AS22773

    Oklahoma City

    35.4676, -97.5164

    100% uptime

    151ms
    |
    1ms
    |
    237ms
  • 70.165.16.81

    Cox Communications Inc.

    AS22773

    Oklahoma City

    35.4676, -97.5164

    100% uptime

    140ms
    |
    1ms
    |
    184ms
  • 70.182.81.217

    Cox Communications Inc.

    AS22773

    Oklahoma City

    35.4676, -97.5164

    100% uptime

    149ms
    |
    1ms
    |
    231ms
  • 70.182.86.84

    Cox Communications Inc.

    AS22773

    Oklahoma City

    35.4676, -97.5164

    99% uptime

    149ms
    |
    1ms
    |
    240ms
  • 72.198.29.89

    Cox Communications Inc.

    AS22773

    Oklahoma City

    35.4676, -97.5164

    94% uptime

    148ms
    |
    1ms
    |
    103ms
  • 98.161.89.89

    Cox Communications Inc.

    AS22773

    Oklahoma City

    35.4676, -97.5164

    94% uptime

    151ms
    |
    1ms
    |
    244ms
  • 98.172.180.114

    Cox Communications Inc.

    AS22773

    Oklahoma City

    35.4676, -97.5164

    100% uptime

    148ms
    |
    6ms
    |
    218ms
  • 98.191.192.73

    Cox Communications Inc.

    AS22773

    Oklahoma City

    35.4676, -97.5164

    100% uptime

    151ms
    |
    1ms
    |
    232ms
  • 98.191.197.152

    Cox Communications Inc.

    AS22773

    Oklahoma City

    35.4676, -97.5164

    100% uptime

    150ms
    |
    1ms
    |
    233ms
  • 99.25.63.225

    AT&T Enterprises, LLC

    AS7018

    Oklahoma City

    35.4676, -97.5164

    100% uptime

    140ms
    |
    0ms
    |
    208ms
  • 136.228.100.21

    OEC Fiber

    AS53449

    Oklahoma City

    35.4676, -97.5164

    100% uptime

    126ms
    |
    1ms
    |
    185ms
  • 184.186.198.153

    Cox Communications Inc.

    AS22773

    Oklahoma City

    35.4676, -97.5164

    100% uptime

    150ms
    |
    1ms
    |
    236ms
  • 184.186.213.196

    Cox Communications Inc.

    AS22773

    Oklahoma City

    35.4676, -97.5164

    94% uptime

    152ms
    |
    3ms
    |
    248ms
  • 140.82.172.146

    Unite Private Networks LLC.

    AS15164

    Olathe

    38.8733, -94.7752

    94% uptime

    115ms
    |
    2ms
    |
    154ms
  • 65.58.193.26

    Level 3 Parent, LLC

    AS3356

    Olga

    26.7190, -81.7123

    100% uptime

    133ms
    |
    5ms
    |
    93ms
  • 38.121.112.77

    Cogent Communications, LLC

    AS174

    Omaha

    41.2563, -95.9404

    100% uptime

    143ms
    |
    4ms
    |
    222ms
  • 69.63.96.41

    Cox Communications Inc.

    AS22773

    Omaha

    41.2563, -95.9404

    100% uptime

    124ms
    |
    1ms
    |
    68ms
  • 70.182.34.98

    Cox Communications Inc.

    AS22773

    Omaha

    41.2563, -95.9404

    98% uptime

    125ms
    |
    2ms
    |
    162ms
  • 98.172.137.235

    Cox Communications Inc.

    AS22773

    Omaha

    41.2563, -95.9404

    98% uptime

    133ms
    |
    2ms
    |
    248ms
  • 98.190.178.131

    Cox Communications Inc.

    AS22773

    Omaha

    41.2563, -95.9404

    100% uptime

    132ms
    |
    1ms
    |
    248ms
  • 107.167.242.54

    NebraskaLink

    AS16851

    Omaha

    41.2563, -95.9404

    100% uptime

    139ms
    |
    7ms
    |
    71ms
  • 104.160.238.219

    DCM Cable Inc.

    AS1819

    On Top of the World

    29.1152, -82.2913

    100% uptime

    134ms
    |
    2ms
    |
    196ms
  • 12.79.2.118

    AT&T Enterprises, LLC

    AS7018

    Orange

    33.7878, -117.8531

    99% uptime

    170ms
    |
    13ms
    |
    100ms
  • 104.226.60.33

    Frontier Communications of America, Inc.

    AS5650

    Orange

    41.2784, -73.0257

    100% uptime

    108ms
    |
    1ms
    |
    135ms
  • 62.146.230.172

    Contabo Inc.

    AS40021

    Orangeburg

    41.0465, -73.9496

    100% uptime

    92ms
    |
    2ms
    |
    142ms
  • 66.94.98.51

    Contabo Inc.

    AS40021

    Orangeburg

    41.0465, -73.9496

    100% uptime

    94ms
    |
    11ms
    |
    116ms
  • 66.94.98.62

    Contabo Inc.

    AS40021

    Orangeburg

    41.0465, -73.9496

    100% uptime

    93ms
    |
    4ms
    |
    150ms
  • 147.93.4.239

    Contabo Inc.

    AS40021

    Orangeburg

    41.0465, -73.9496

    99% uptime

    91ms
    |
    12ms
    |
    94ms
  • 154.53.54.147

    Contabo Inc.

    AS40021

    Orangeburg

    41.0465, -73.9496

    99% uptime

    92ms
    |
    4ms
    |
    149ms
  • 23.166.40.38

    FiberState, LLC

    AS26042

    Orem

    40.2969, -111.6946

    100% uptime

    130ms
    |
    9ms
    |
    2ms
  • 67.214.248.22

    FirstDigital Communications, LLC

    AS13415

    Orem

    40.2969, -111.6946

    100% uptime

    136ms
    |
    1ms
    |
    180ms
  • 67.23.251.186

    HostDime.com, Inc.

    AS33182

    Orlando

    28.6214, -81.4294

    100% uptime

    119ms
    |
    0ms
    |
    202ms
  • 71.43.33.154

    Charter Communications, Inc

    AS33363

    Orlando

    28.5383, -81.3792

    100% uptime

    134ms
    |
    1ms
    |
    185ms
  • 72.238.80.24

    Charter Communications, Inc

    AS33363

    Orlando

    28.5383, -81.3792

    100% uptime

    134ms
    |
    1ms
    |
    234ms
  • 108.165.121.198

    Snaju Development

    AS399646

    Orlando

    28.5383, -81.3792

    100% uptime

    132ms
    |
    3ms
    |
    290ms
  • 199.96.84.106

    SBA Connect, LLC

    AS845

    Orlando

    28.5383, -81.3792

    100% uptime

    118ms
    |
    2ms
    |
    58ms
  • 208.111.1.2

    Omnispring, LLC

    AS32083

    Orlando

    28.5383, -81.3792

    100% uptime

    132ms
    |
    7ms
    |
    262ms
  • 134.204.12.78

    Granite Telecommunications LLC

    AS16504

    Ormond Beach

    29.2858, -81.0559

    94% uptime

    116ms
    |
    4ms
    |
    112ms
  • 157.96.189.161

    Granite Telecommunications LLC

    AS16504

    Orting

    47.0979, -122.2043

    99% uptime

    156ms
    |
    3ms
    |
    218ms
  • 136.33.195.47

    Google Fiber Inc.

    AS16591

    Overland Park

    38.9822, -94.6708

    98% uptime

    124ms
    |
    2ms
    |
    166ms
  • 207.140.8.41

    White Cloud Communications US, LLC

    AS54142

    Owenton

    38.5367, -84.8434

    98% uptime

    131ms
    |
    9ms
    |
    194ms
  • 173.44.118.138

    BCI Mississippi Broadband,LLC

    AS46687

    Oxford

    34.3665, -89.5192

    100% uptime

    108ms
    |
    8ms
    |
    174ms
  • 192.225.240.160

    Foothills Rural Telephone Cooperative Corporation, Inc.

    AS394111

    Paintsville

    37.8145, -82.8071

    100% uptime

    101ms
    |
    1ms
    |
    101ms
  • 209.204.31.2

    Jackson Electric Cooperative

    AS395439

    Palacios

    28.7081, -96.2175

    94% uptime

    122ms
    |
    11ms
    |
    193ms
  • 64.183.2.130

    Charter Communications Inc

    AS20001

    Palm Desert

    33.7225, -116.3770

    100% uptime

    181ms
    |
    2ms
    |
    32ms
  • 67.149.211.235

    WideOpenWest Finance LLC

    AS12083

    Palm Harbor

    28.0848, -82.7253

    100% uptime

    143ms
    |
    3ms
    |
    242ms
  • 98.152.20.107

    Charter Communications Inc

    AS20001

    Palm Springs

    33.8303, -116.5453

    94% uptime

    182ms
    |
    1ms
    |
    71ms
  • 216.114.95.96

    Palm Beach State College

    AS26851

    Palm Springs

    26.6359, -80.0961

    99% uptime

    130ms
    |
    2ms
    |
    134ms
  • 146.201.52.253

    Florida State University

    AS2553

    Panama City

    30.1595, -85.6598

    100% uptime

    113ms
    |
    9ms
    |
    149ms
  • 68.59.121.153

    Comcast Cable Communications, LLC

    AS7922

    Panama City Beach

    30.1766, -85.8055

    89% uptime

    141ms
    |
    3ms
    |
    260ms
  • 142.190.24.243

    Uniti Fiber Holdings Inc.

    AS13760

    Panama City Beach

    30.1766, -85.8055

    100% uptime

    125ms
    |
    0ms
    |
    278ms
  • 142.190.53.182

    Uniti Fiber Holdings Inc.

    AS13760

    Panama City Beach

    30.1766, -85.8055

    100% uptime

    125ms
    |
    9ms
    |
    177ms
  • 38.7.116.82

    ELEKTRAFI INC.

    AS400229

    Parker

    39.5186, -104.7614

    98% uptime

    160ms
    |
    22ms
    |
    250ms
  • 174.126.221.55

    CABLE ONE, INC.

    AS11492

    Parsons

    37.3403, -95.2611

    100% uptime

    156ms
    |
    7ms
    |
    68ms
  • 38.58.100.42

    Cogent Communications, LLC

    AS174

    Pasadena

    34.1478, -118.1445

    94% uptime

    166ms
    |
    6ms
    |
    186ms
  • 67.61.184.45

    CABLE ONE, INC.

    AS11492

    Pascagoula

    30.3658, -88.5561

    98% uptime

    141ms
    |
    3ms
    |
    118ms
  • 96.18.196.38

    CABLE ONE, INC.

    AS11492

    Pascagoula

    30.3658, -88.5561

    94% uptime

    140ms
    |
    2ms
    |
    90ms
  • 96.19.84.191

    CABLE ONE, INC.

    AS11492

    Pascagoula

    30.3658, -88.5561

    100% uptime

    140ms
    |
    4ms
    |
    106ms
  • 192.188.9.184

    Outback Internet

    AS393833

    Paso Robles

    35.6266, -120.6910

    98% uptime

    193ms
    |
    15ms
    |
    146ms
  • 209.34.1.98

    Fidium

    AS6300

    Pattison

    29.8252, -95.9950

    100% uptime

    121ms
    |
    4ms
    |
    166ms
  • 208.73.20.147

    Reliable Hosting Services

    AS29713

    Paw Paw

    39.5320, -78.4583

    100% uptime

    113ms
    |
    2ms
    |
    66ms
  • 67.60.254.243

    CABLE ONE, INC.

    AS11492

    Payson

    34.2309, -111.3251

    99% uptime

    155ms
    |
    1ms
    |
    38ms
  • 167.254.224.174

    Delcom, Inc.

    AS23546

    Pecos

    31.4229, -103.4932

    100% uptime

    177ms
    |
    2ms
    |
    310ms
  • 167.254.225.16

    Delcom, Inc.

    AS23546

    Pecos

    31.4229, -103.4932

    100% uptime

    175ms
    |
    8ms
    |
    298ms
  • 167.254.225.121

    Delcom, Inc.

    AS23546

    Pecos

    31.4229, -103.4932

    100% uptime

    167ms
    |
    1ms
    |
    262ms
  • 167.254.225.146

    Delcom, Inc.

    AS23546

    Pecos

    31.4229, -103.4932

    100% uptime

    174ms
    |
    37ms
    |
    298ms
  • 167.254.225.179

    Delcom, Inc.

    AS23546

    Pecos

    31.4229, -103.4932

    100% uptime

    169ms
    |
    46ms
    |
    292ms
  • 167.254.227.218

    Delcom, Inc.

    AS23546

    Pecos

    31.4229, -103.4932

    100% uptime

    165ms
    |
    16ms
    |
    262ms
  • 69.118.95.155

    Cablevision Systems Corp.

    AS6128

    Pemberwick

    41.0256, -73.6607

    89% uptime

    94ms
    |
    2ms
    |
    155ms