DNS Servers

United States of America 4393 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

  • 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
    |
    3ms
    |
    224ms
  • 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
    |
    250ms
  • 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
    |
    103ms
  • 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
    |
    93ms
  • 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
    |
    289ms
  • 199.96.84.106

    SBA Connect, LLC

    AS845

    Orlando

    28.5383, -81.3792

    100% uptime

    118ms
    |
    2ms
    |
    53ms
  • 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
    |
    216ms
  • 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
  • 199.250.176.75

    Liberty Connect

    AS63457

    Ozark

    37.0209, -93.2060

    88% uptime

    112ms
    |
    0ms
    |
    227ms
  • 192.225.240.160

    Foothills Rural Telephone Cooperative Corporation, Inc.

    AS394111

    Paintsville

    37.8145, -82.8071

    100% uptime

    101ms
    |
    1ms
    |
    102ms
  • 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
    |
    133ms
  • 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
    |
    5ms
    |
    185ms
  • 67.61.184.45

    CABLE ONE, INC.

    AS11492

    Pascagoula

    30.3658, -88.5561

    98% uptime

    141ms
    |
    3ms
    |
    116ms
  • 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
    |
    148ms
  • 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

    174ms
    |
    8ms
    |
    300ms
  • 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
    |
    300ms
  • 167.254.225.179

    Delcom, Inc.

    AS23546

    Pecos

    31.4229, -103.4932

    100% uptime

    169ms
    |
    47ms
    |
    291ms
  • 167.254.227.218

    Delcom, Inc.

    AS23546

    Pecos

    31.4229, -103.4932

    100% uptime

    165ms
    |
    17ms
    |
    262ms
  • 69.118.95.155

    Cablevision Systems Corp.

    AS6128

    Pemberwick

    41.0256, -73.6607

    88% uptime

    94ms
    |
    2ms
    |
    156ms
  • 50.226.228.170

    Comcast Cable Communications, LLC

    AS7922

    Pembroke Pines

    26.0032, -80.2239

    99% uptime

    131ms
    |
    6ms
    |
    60ms
  • 66.210.79.170

    Cox Communications Inc.

    AS22773

    Pensacola

    30.4213, -87.2169

    100% uptime

    134ms
    |
    1ms
    |
    192ms
  • 70.169.171.200

    Cox Communications Inc.

    AS22773

    Pensacola

    30.4213, -87.2169

    98% uptime

    148ms
    |
    2ms
    |
    210ms
  • 174.69.43.2

    Cox Communications Inc.

    AS22773

    Pensacola

    30.4213, -87.2169

    94% uptime

    141ms
    |
    1ms
    |
    64ms
  • 174.76.156.129

    Cox Communications Inc.

    AS22773

    Pensacola

    30.4213, -87.2169

    99% uptime

    134ms
    |
    9ms
    |
    192ms
  • 184.178.19.50

    Cox Communications Inc.

    AS22773

    Pensacola

    30.4213, -87.2169

    99% uptime

    134ms
    |
    9ms
    |
    210ms
  • 64.88.192.20

    SMARTCOM TELEPHONE, LLC

    AS14860

    Perezville

    26.2245, -98.4006

    100% uptime

    137ms
    |
    1ms
    |
    199ms
  • 64.88.192.21

    SMARTCOM TELEPHONE, LLC

    AS14860

    Perezville

    26.2245, -98.4006

    99% uptime

    137ms
    |
    2ms
    |
    199ms
  • 12.71.80.82

    AT&T Enterprises, LLC

    AS7018

    Pflugerville

    30.4394, -97.6200

    100% uptime

    142ms
    |
    19ms
    |
    170ms
  • 199.167.194.14

    Ontario Telephone Company Inc

    AS395685

    Phelps

    42.9576, -77.0575

    100% uptime

    104ms
    |
    0ms
    |
    50ms
  • 162.250.84.76

    Phenix Cable

    AS53271

    Phenix City

    32.4710, -85.0008

    100% uptime

    118ms
    |
    2ms
    |
    167ms
  • 38.140.197.58

    Cogent Communications, LLC

    AS174

    Philadelphia

    39.9524, -75.1636

    100% uptime

    93ms
    |
    0ms
    |
    79ms
  • 50.174.203.250

    Comcast Cable Communications, LLC

    AS7922

    Philadelphia

    39.9524, -75.1636

    100% uptime

    104ms
    |
    1ms
    |
    171ms
  • 50.239.158.202

    Comcast Cable Communications, LLC

    AS7922

    Philadelphia

    39.9524, -75.1636

    98% uptime

    136ms
    |
    2ms
    |
    263ms
  • 68.80.232.207

    Comcast Cable Communications, LLC

    AS7922

    Philadelphia

    39.9524, -75.1636

    100% uptime

    116ms
    |
    2ms
    |
    225ms
  • 69.249.8.220

    Comcast Cable Communications, LLC

    AS7922

    Philadelphia

    39.9524, -75.1636

    100% uptime

    115ms
    |
    1ms
    |
    203ms
  • 70.90.26.81

    Comcast Cable Communications, LLC

    AS7922

    Philadelphia

    39.9524, -75.1636

    99% uptime

    117ms
    |
    1ms
    |
    141ms
  • 73.141.253.33

    Comcast Cable Communications, LLC

    AS7922

    Philadelphia

    39.9524, -75.1636

    100% uptime

    115ms
    |
    2ms
    |
    122ms
  • 73.178.128.53

    Comcast Cable Communications, LLC

    AS7922

    Philadelphia

    39.9524, -75.1636

    94% uptime

    119ms
    |
    3ms
    |
    232ms
  • 153.33.130.8

    PAVLOV MEDIA INC

    AS23473

    Philadelphia

    39.9524, -75.1636

    100% uptime

    130ms
    |
    16ms
    |
    234ms
  • 206.183.107.59

    Web Werks

    AS33480

    Philadelphia

    39.9524, -75.1636

    98% uptime

    94ms
    |
    0ms
    |
    42ms
  • 207.106.22.60

    Web Werks

    AS33480

    Philadelphia

    39.9524, -75.1636

    100% uptime

    94ms
    |
    12ms
    |
    46ms
  • 208.58.108.40

    RCN

    AS6079

    Philadelphia

    39.9524, -75.1636

    100% uptime

    109ms
    |
    2ms
    |
    167ms
  • 216.158.32.34

    DCANet

    AS6372

    Philadelphia

    39.9524, -75.1636

    100% uptime

    97ms
    |
    1ms
    |
    41ms
  • 216.164.196.5

    RCN

    AS6079

    Philadelphia

    39.9524, -75.1636

    99% uptime

    102ms
    |
    2ms
    |
    48ms
  • 209.173.20.138

    PenTeleData Inc.

    AS3737

    Phillipsburg

    40.6937, -75.1902

    100% uptime

    103ms
    |
    2ms
    |
    153ms
  • 24.117.9.2

    CABLE ONE, INC.

    AS11492

    Phoenix

    33.4484, -112.0740

    100% uptime

    155ms
    |
    1ms
    |
    120ms
  • 38.84.5.226

    Cogent Communications, LLC

    AS174

    Phoenix

    33.4484, -112.0740

    100% uptime

    154ms
    |
    0ms
    |
    212ms
  • 50.28.100.165

    Liquid Web, L.L.C

    AS53824

    Phoenix

    33.4484, -112.0740

    98% uptime

    151ms
    |
    2ms
    |
    184ms
  • 50.28.100.167

    Liquid Web, L.L.C

    AS53824

    Phoenix

    33.4484, -112.0740

    100% uptime

    149ms
    |
    0ms
    |
    182ms
  • 63.250.35.22

    Namecheap, Inc.

    AS22612

    Phoenix

    33.4484, -112.0740

    100% uptime

    162ms
    |
    1ms
    |
    530ms
  • 63.250.41.63

    Namecheap, Inc.

    AS22612

    Phoenix

    33.4484, -112.0740

    94% uptime

    162ms
    |
    3ms
    |
    240ms
  • 64.125.197.98

    Zayo Bandwidth

    AS6461

    Phoenix

    33.4484, -112.0740

    100% uptime

    138ms
    |
    1ms
    |
    111ms
  • 65.132.57.140

    CenturyLink Communications, LLC

    AS209

    Phoenix

    33.4484, -112.0740

    100% uptime

    153ms
    |
    0ms
    |
    47ms
  • 66.29.138.73

    Namecheap, Inc.

    AS22612

    Phoenix

    33.4484, -112.0740

    100% uptime

    157ms
    |
    0ms
    |
    200ms
  • 66.210.242.210

    Cox Communications Inc.

    AS22773

    Phoenix

    33.4484, -112.0740

    100% uptime

    160ms
    |
    1ms
    |
    219ms
  • 66.226.77.245

    CyberCloud Professionals LLC

    AS18501

    Phoenix

    33.4484, -112.0740

    88% uptime

    138ms
    |
    3ms
    |
    199ms
  • 67.223.119.181

    Namecheap, Inc.

    AS22612

    Phoenix

    33.4484, -112.0740

    100% uptime

    158ms
    |
    3ms
    |
    67ms
  • 67.223.119.186

    Namecheap, Inc.

    AS22612

    Phoenix

    33.4484, -112.0740

    100% uptime

    157ms
    |
    3ms
    |
    71ms
  • 68.10.58.37

    Cox Communications Inc.

    AS22773

    Phoenix

    33.4484, -112.0740

    99% uptime

    167ms
    |
    1ms
    |
    273ms
  • 68.14.228.166

    Cox Communications Inc.

    AS22773

    Phoenix

    33.4484, -112.0740

    94% uptime

    170ms
    |
    1ms
    |
    108ms
  • 68.14.228.168

    Cox Communications Inc.

    AS22773

    Phoenix

    33.4484, -112.0740

    94% uptime

    171ms
    |
    3ms
    |
    84ms
  • 68.14.228.174

    Cox Communications Inc.

    AS22773

    Phoenix

    33.4484, -112.0740

    88% uptime

    170ms
    |
    1ms
    |
    87ms