DNS Servers

United States of America 4604 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

  • 198.12.108.67

    HostPapa

    AS36352

    Elk Grove Village

    42.0039, -87.9703

    100% uptime

    101ms
    |
    1ms
    |
    43ms
  • 198.12.111.13

    HostPapa

    AS36352

    Elk Grove Village

    42.0039, -87.9703

    100% uptime

    99ms
    |
    6ms
    |
    15ms
  • 198.46.218.160

    HostPapa

    AS36352

    Elk Grove Village

    42.0039, -87.9703

    100% uptime

    100ms
    |
    0ms
    |
    143ms
  • 216.128.144.23

    The Constant Company, LLC

    AS20473

    Elk Grove Village

    42.0039, -87.9703

    100% uptime

    112ms
    |
    0ms
    |
    82ms
  • 216.128.144.54

    The Constant Company, LLC

    AS20473

    Elk Grove Village

    42.0039, -87.9703

    100% uptime

    112ms
    |
    0ms
    |
    86ms
  • 216.128.147.168

    The Constant Company, LLC

    AS20473

    Elk Grove Village

    42.0039, -87.9703

    100% uptime

    112ms
    |
    0ms
    |
    212ms
  • 154.27.103.27

    Cherry Capital Connection, LLC

    AS14606

    Elk Rapids

    44.8956, -85.4165

    100% uptime

    129ms
    |
    11ms
    |
    442ms
  • 70.91.110.165

    Comcast Cable Communications, LLC

    AS7922

    Elmhurst

    41.8995, -87.9403

    100% uptime

    134ms
    |
    2ms
    |
    200ms
  • 64.206.88.187

    Windstream Communications LLC

    AS7029

    Elmont

    40.7009, -73.7129

    98% uptime

    93ms
    |
    1ms
    |
    99ms
  • 24.242.174.34

    Charter Communications Inc

    AS11427

    El Paso

    31.7587, -106.4869

    100% uptime

    140ms
    |
    0ms
    |
    167ms
  • 154.51.40.162

    EASY LINK LLC

    AS46783

    El Segundo

    33.9192, -118.4165

    100% uptime

    168ms
    |
    5ms
    |
    27ms
  • 46.110.4.171

    Metronet

    AS30600

    Englewood

    39.8776, -84.3022

    98% uptime

    115ms
    |
    3ms
    |
    110ms
  • 66.211.247.57

    Velocity Network, Inc.

    AS7341

    Erie

    42.1292, -80.0851

    98% uptime

    113ms
    |
    5ms
    |
    142ms
  • 144.34.96.14

    Strada Communications L.L.C.

    AS396969

    Erie

    41.6564, -90.0793

    99% uptime

    114ms
    |
    14ms
    |
    173ms
  • 40.133.84.2

    Windstream Communications LLC

    AS7029

    Erlanger

    39.0167, -84.6008

    100% uptime

    119ms
    |
    0ms
    |
    168ms
  • 108.50.41.37

    Verizon Business

    AS701

    Essex

    39.3093, -76.4750

    98% uptime

    107ms
    |
    2ms
    |
    106ms
  • 135.84.84.145

    GeoStar, LLC.

    AS22062

    Etna

    39.9573, -82.6818

    100% uptime

    109ms
    |
    3ms
    |
    161ms
  • 166.168.222.247

    Verizon Business

    AS6167

    Euless

    32.8371, -97.0820

    88% uptime

    199ms
    |
    95ms
    |
    288ms
  • 166.168.223.14

    Verizon Business

    AS6167

    Euless

    32.8371, -97.0820

    94% uptime

    200ms
    |
    74ms
    |
    283ms
  • 150.221.51.226

    Charter Communications Inc

    AS11351

    Evans Mills

    44.0881, -75.8071

    100% uptime

    105ms
    |
    0ms
    |
    108ms
  • 96.43.253.18

    All West Communications, Inc.

    AS13614

    Evanston

    41.2683, -110.9632

    100% uptime

    133ms
    |
    0ms
    |
    72ms
  • 24.214.227.234

    WideOpenWest Finance LLC

    AS12083

    Evansville

    37.9748, -87.5559

    100% uptime

    115ms
    |
    1ms
    |
    164ms
  • 75.76.84.103

    WideOpenWest Finance LLC

    AS12083

    Evansville

    37.9748, -87.5559

    100% uptime

    116ms
    |
    1ms
    |
    232ms
  • 131.106.221.80

    RCN

    AS6079

    Evansville

    37.9748, -87.5559

    100% uptime

    132ms
    |
    3ms
    |
    74ms
  • 67.160.64.35

    Comcast Cable Communications, LLC

    AS7922

    Everett

    47.9790, -122.2021

    100% uptime

    180ms
    |
    2ms
    |
    96ms
  • 73.221.58.13

    Comcast Cable Communications, LLC

    AS7922

    Everett

    47.9790, -122.2021

    100% uptime

    180ms
    |
    2ms
    |
    201ms
  • 172.86.8.15

    Eastern Iowa IP, LLC

    AS63394

    Fairbank

    42.6392, -92.0471

    100% uptime

    120ms
    |
    1ms
    |
    104ms
  • 68.228.101.212

    Cox Communications Inc.

    AS22773

    Fairfax

    38.8462, -77.3064

    98% uptime

    115ms
    |
    1ms
    |
    111ms
  • 70.164.42.104

    Cox Communications Inc.

    AS22773

    Fairfax

    38.8462, -77.3064

    98% uptime

    120ms
    |
    2ms
    |
    103ms
  • 70.182.219.171

    Cox Communications Inc.

    AS22773

    Fairfax

    38.8462, -77.3064

    98% uptime

    112ms
    |
    0ms
    |
    35ms
  • 70.182.219.172

    Cox Communications Inc.

    AS22773

    Fairfax

    38.8462, -77.3064

    99% uptime

    112ms
    |
    1ms
    |
    35ms
  • 70.184.243.67

    Cox Communications Inc.

    AS22773

    Fairfax

    38.8462, -77.3064

    100% uptime

    106ms
    |
    0ms
    |
    36ms
  • 70.184.243.69

    Cox Communications Inc.

    AS22773

    Fairfax

    38.8462, -77.3064

    98% uptime

    111ms
    |
    1ms
    |
    35ms
  • 70.184.243.70

    Cox Communications Inc.

    AS22773

    Fairfax

    38.8462, -77.3064

    99% uptime

    111ms
    |
    1ms
    |
    32ms
  • 98.187.234.162

    Cox Communications Inc.

    AS22773

    Fairfax

    38.8462, -77.3064

    100% uptime

    121ms
    |
    2ms
    |
    43ms
  • 98.191.211.126

    Cox Communications Inc.

    AS22773

    Fairfax

    38.8462, -77.3064

    98% uptime

    111ms
    |
    2ms
    |
    35ms
  • 50.189.90.217

    Comcast Cable Communications, LLC

    AS7922

    Fairfield

    38.2494, -122.0400

    99% uptime

    178ms
    |
    3ms
    |
    298ms
  • 72.45.165.2

    Charter Communications Inc

    AS11351

    Fairport

    43.0987, -77.4419

    100% uptime

    116ms
    |
    1ms
    |
    69ms
  • 23.88.173.5

    Central Utah Telephone, Inc.

    AS36103

    Fairview

    39.6264, -111.4396

    100% uptime

    138ms
    |
    19ms
    |
    222ms
  • 64.113.164.44

    CC Communications

    AS16664

    Fallon

    39.4735, -118.7774

    100% uptime

    155ms
    |
    4ms
    |
    147ms
  • 71.168.115.246

    Fidium

    AS13672

    Falmouth

    43.7295, -70.2420

    100% uptime

    106ms
    |
    2ms
    |
    152ms
  • 24.116.98.138

    CABLE ONE, INC.

    AS11492

    Fargo

    46.8772, -96.7898

    100% uptime

    128ms
    |
    1ms
    |
    293ms
  • 208.107.81.127

    Midcontinent Communications

    AS11232

    Fargo

    46.8772, -96.7898

    100% uptime

    121ms
    |
    2ms
    |
    222ms
  • 151.202.15.179

    Verizon Business

    AS701

    Farmingdale

    40.7326, -73.4454

    99% uptime

    110ms
    |
    1ms
    |
    128ms
  • 12.197.29.61

    AT&T Enterprises, LLC

    AS7018

    Farmington

    41.7198, -72.8320

    100% uptime

    105ms
    |
    14ms
    |
    213ms
  • 104.3.162.153

    AT&T Enterprises, LLC

    AS7018

    Fayetteville

    36.0626, -94.1574

    99% uptime

    157ms
    |
    2ms
    |
    208ms
  • 170.10.183.214

    OzarksGo, LLC

    AS395662

    Fayetteville

    36.0626, -94.1574

    100% uptime

    141ms
    |
    0ms
    |
    33ms
  • 172.74.175.229

    Charter Communications Inc

    AS11426

    Fayetteville

    35.0527, -78.8784

    100% uptime

    124ms
    |
    3ms
    |
    133ms
  • 12.138.221.1

    AT&T Enterprises, LLC

    AS7018

    Faysville

    26.4104, -98.1353

    100% uptime

    150ms
    |
    2ms
    |
    222ms
  • 66.228.232.21

    The Park Region Mutual Telephone Co

    AS25637

    Fergus Falls

    46.2830, -96.0776

    100% uptime

    114ms
    |
    0ms
    |
    179ms
  • 69.167.73.20

    GTT Communications Inc.

    AS3257

    Fernandina Beach

    30.6697, -81.4626

    100% uptime

    115ms
    |
    1ms
    |
    106ms
  • 69.167.73.24

    GTT Communications Inc.

    AS3257

    Fernandina Beach

    30.6697, -81.4626

    100% uptime

    115ms
    |
    1ms
    |
    132ms
  • 69.167.73.26

    GTT Communications Inc.

    AS3257

    Fernandina Beach

    30.6697, -81.4626

    100% uptime

    115ms
    |
    1ms
    |
    112ms
  • 69.167.73.27

    GTT Communications Inc.

    AS3257

    Fernandina Beach

    30.6697, -81.4626

    100% uptime

    115ms
    |
    1ms
    |
    95ms
  • 69.167.73.30

    GTT Communications Inc.

    AS3257

    Fernandina Beach

    30.6697, -81.4626

    99% uptime

    113ms
    |
    2ms
    |
    112ms
  • 69.167.73.31

    GTT Communications Inc.

    AS3257

    Fernandina Beach

    30.6697, -81.4626

    100% uptime

    115ms
    |
    1ms
    |
    109ms
  • 69.167.73.32

    GTT Communications Inc.

    AS3257

    Fernandina Beach

    30.6697, -81.4626

    100% uptime

    113ms
    |
    2ms
    |
    105ms
  • 208.70.216.64

    Nova86

    AS401538

    Ferrelview

    39.3111, -94.6650

    100% uptime

    115ms
    |
    0ms
    |
    174ms
  • 173.85.214.22

    Frontier Communications of America, Inc.

    AS5650

    Fillmore

    38.9689, -112.3235

    100% uptime

    175ms
    |
    1ms
    |
    122ms
  • 147.219.73.29

    Charter Communications LLC

    AS20115

    Fitchburg

    42.9608, -89.4698

    94% uptime

    150ms
    |
    2ms
    |
    89ms
  • 147.219.73.153

    Charter Communications LLC

    AS20115

    Fitchburg

    42.9608, -89.4698

    100% uptime

    147ms
    |
    1ms
    |
    127ms
  • 8.29.19.93

    Level 3 Parent, LLC

    AS3356

    Flagstaff

    35.1981, -111.6513

    99% uptime

    157ms
    |
    1ms
    |
    313ms
  • 50.217.82.106

    Comcast Cable Communications, LLC

    AS7922

    Flint

    43.0125, -83.6875

    100% uptime

    121ms
    |
    7ms
    |
    101ms
  • 68.43.81.18

    Comcast Cable Communications, LLC

    AS7922

    Flint

    43.0125, -83.6875

    99% uptime

    128ms
    |
    2ms
    |
    65ms
  • 73.144.242.172

    Comcast Cable Communications, LLC

    AS7922

    Flint

    43.0125, -83.6875

    98% uptime

    126ms
    |
    2ms
    |
    58ms
  • 96.85.102.33

    Comcast Cable Communications, LLC

    AS7922

    Flint

    43.0125, -83.6875

    100% uptime

    123ms
    |
    3ms
    |
    326ms
  • 108.6.190.18

    Verizon Business

    AS701

    Floral Park

    40.7237, -73.7048

    98% uptime

    99ms
    |
    2ms
    |
    95ms
  • 216.196.168.218

    Cincinnati Bell Telephone Company LLC

    AS6181

    Florence

    38.9990, -84.6266

    100% uptime

    117ms
    |
    1ms
    |
    82ms
  • 66.37.75.67

    Citizens Telephone Cooperative

    AS16942

    Floyd

    36.9112, -80.3200

    98% uptime

    96ms
    |
    10ms
    |
    29ms
  • 47.32.15.31

    Charter Communications LLC

    AS20115

    Fond du Lac

    43.7750, -88.4388

    100% uptime

    148ms
    |
    2ms
    |
    76ms
  • 24.31.3.132

    Vyve Broadband

    AS35986

    Forest City

    35.3340, -81.8651

    100% uptime

    130ms
    |
    1ms
    |
    178ms
  • 50.109.255.49

    Wholesail networks LLC

    AS20055

    Forest Grove

    45.5198, -123.1107

    100% uptime

    158ms
    |
    1ms
    |
    170ms
  • 50.226.13.120

    Comcast Cable Communications, LLC

    AS7922

    Forest Park

    33.6221, -84.3691

    99% uptime

    119ms
    |
    1ms
    |
    23ms
  • 50.226.13.122

    Comcast Cable Communications, LLC

    AS7922

    Forest Park

    33.6221, -84.3691

    100% uptime

    123ms
    |
    0ms
    |
    20ms
  • 50.226.13.123

    Comcast Cable Communications, LLC

    AS7922

    Forest Park

    33.6221, -84.3691

    99% uptime

    122ms
    |
    8ms
    |
    21ms
  • 50.226.13.124

    Comcast Cable Communications, LLC

    AS7922

    Forest Park

    33.6221, -84.3691

    99% uptime

    118ms
    |
    1ms
    |
    25ms
  • 50.226.13.125

    Comcast Cable Communications, LLC

    AS7922

    Forest Park

    33.6221, -84.3691

    100% uptime

    119ms
    |
    0ms
    |
    25ms
  • 50.226.13.126

    Comcast Cable Communications, LLC

    AS7922

    Forest Park

    33.6221, -84.3691

    100% uptime

    124ms
    |
    1ms
    |
    21ms
  • 50.226.13.127

    Comcast Cable Communications, LLC

    AS7922

    Forest Park

    33.6221, -84.3691

    100% uptime

    122ms
    |
    1ms
    |
    21ms
  • 98.123.157.10

    Charter Communications Inc

    AS10796

    Fort Branch

    38.2512, -87.5811

    94% uptime

    130ms
    |
    0ms
    |
    206ms
  • 73.124.34.138

    Comcast Cable Communications, LLC

    AS7922

    Fort Lauderdale

    26.1223, -80.1434

    100% uptime

    149ms
    |
    2ms
    |
    277ms
  • 66.42.177.114

    Cincinnati Bell Telephone Company LLC

    AS6181

    Fort Mitchell

    39.0595, -84.5474

    100% uptime

    103ms
    |
    1ms
    |
    104ms
  • 65.141.117.234

    CenturyLink Communications, LLC

    AS209

    Fort Myers

    26.6217, -81.8406

    99% uptime

    132ms
    |
    1ms
    |
    171ms
  • 12.5.226.170

    AT&T Enterprises, LLC

    AS7018

    Fort Smith

    35.3859, -94.3986

    100% uptime

    145ms
    |
    6ms
    |
    180ms
  • 68.170.237.238

    Ritter Communications

    AS23404

    Fort Smith

    35.3859, -94.3986

    100% uptime

    136ms
    |
    4ms
    |
    139ms
  • 74.220.135.29

    Ritter Communications

    AS23404

    Fort Smith

    35.3859, -94.3986

    100% uptime

    150ms
    |
    3ms
    |
    248ms
  • 64.183.77.26

    Charter Communications Inc

    AS20001

    Fortuna Foothills

    32.6578, -114.4119

    100% uptime

    173ms
    |
    0ms
    |
    144ms
  • 50.106.90.179

    Frontier Communications of America, Inc.

    AS5650

    Fort Wayne

    41.1306, -85.1289

    100% uptime

    118ms
    |
    2ms
    |
    158ms
  • 68.45.198.192

    Comcast Cable Communications, LLC

    AS7922

    Fort Wayne

    41.1306, -85.1289

    94% uptime

    141ms
    |
    1ms
    |
    240ms
  • 184.18.189.6

    Frontier Communications of America, Inc.

    AS5650

    Fort Wayne

    41.1306, -85.1289

    100% uptime

    120ms
    |
    1ms
    |
    152ms
  • 12.154.250.19

    AT&T Enterprises, LLC

    AS7018

    Fort Worth

    32.7254, -97.3208

    99% uptime

    142ms
    |
    1ms
    |
    186ms
  • 24.182.218.46

    Charter Communications LLC

    AS20115

    Fort Worth

    32.7254, -97.3208

    100% uptime

    143ms
    |
    2ms
    |
    226ms
  • 66.182.198.44

    Millennium Telcom LLC

    AS20135

    Fort Worth

    32.7254, -97.3208

    98% uptime

    116ms
    |
    2ms
    |
    135ms
  • 66.182.198.167

    Millennium Telcom LLC

    AS20135

    Fort Worth

    32.7254, -97.3208

    100% uptime

    116ms
    |
    1ms
    |
    137ms
  • 68.71.78.145

    Millennium Telcom LLC

    AS20135

    Fort Worth

    32.7254, -97.3208

    100% uptime

    117ms
    |
    1ms
    |
    142ms
  • 68.187.44.3

    Charter Communications LLC

    AS20115

    Fort Worth

    32.7254, -97.3208

    99% uptime

    141ms
    |
    1ms
    |
    214ms
  • 75.141.144.165

    Charter Communications LLC

    AS20115

    Fort Worth

    32.7254, -97.3208

    100% uptime

    142ms
    |
    2ms
    |
    201ms
  • 168.220.115.66

    Bigleaf Networks, Inc.

    AS62642

    Fort Worth

    32.8247, -97.0503

    98% uptime

    137ms
    |
    8ms
    |
    197ms
  • 209.215.207.250

    AT&T Enterprises, LLC

    AS7018

    Fort Worth

    32.7254, -97.3208

    94% uptime

    145ms
    |
    1ms
    |
    205ms
  • 209.215.207.251

    AT&T Enterprises, LLC

    AS7018

    Fort Worth

    32.7254, -97.3208

    94% uptime

    145ms
    |
    1ms
    |
    201ms