DNS Servers

United States of America 4315 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

  • 203.161.53.104

    Namecheap, Inc.

    AS22612

    Los Angeles

    34.0522, -118.2437

    95% uptime

    162ms
    |
    0ms
    |
    376ms
  • 204.44.123.152

    HostPapa

    AS36352

    Los Angeles

    34.0522, -118.2437

    95% uptime

    105ms
    |
    0ms
    |
    90ms
  • 204.152.192.135

    HostPapa

    AS36352

    Los Angeles

    34.0522, -118.2437

    99% uptime

    162ms
    |
    2ms
    |
    32ms
  • 204.152.192.164

    HostPapa

    AS36352

    Los Angeles

    34.0522, -118.2437

    100% uptime

    168ms
    |
    7ms
    |
    38ms
  • 207.38.46.149

    Latisys-Irvine, LLC

    AS5693

    Los Angeles

    34.0522, -118.2437

    100% uptime

    144ms
    |
    2ms
    |
    58ms
  • 207.174.28.125

    IPFB LLC

    AS400509

    Los Angeles

    34.0522, -118.2437

    99% uptime

    151ms
    |
    3ms
    |
    30ms
  • 207.174.28.210

    IPFB LLC

    AS400509

    Los Angeles

    34.0522, -118.2437

    100% uptime

    156ms
    |
    3ms
    |
    26ms
  • 207.246.96.128

    The Constant Company, LLC

    AS20473

    Los Angeles

    34.0522, -118.2437

    100% uptime

    160ms
    |
    84ms
    |
    61ms
  • 207.246.99.141

    The Constant Company, LLC

    AS20473

    Los Angeles

    34.0522, -118.2437

    100% uptime

    169ms
    |
    6ms
    |
    50ms
  • 207.246.101.242

    The Constant Company, LLC

    AS20473

    Los Angeles

    34.0522, -118.2437

    100% uptime

    157ms
    |
    1ms
    |
    68ms
  • 207.246.103.24

    The Constant Company, LLC

    AS20473

    Los Angeles

    34.0522, -118.2437

    99% uptime

    165ms
    |
    3ms
    |
    62ms
  • 207.246.106.85

    The Constant Company, LLC

    AS20473

    Los Angeles

    34.0522, -118.2437

    98% uptime

    165ms
    |
    3ms
    |
    52ms
  • 207.246.109.246

    The Constant Company, LLC

    AS20473

    Los Angeles

    34.0522, -118.2437

    100% uptime

    163ms
    |
    3ms
    |
    62ms
  • 207.246.110.213

    The Constant Company, LLC

    AS20473

    Los Angeles

    34.0522, -118.2437

    99% uptime

    163ms
    |
    2ms
    |
    63ms
  • 208.87.242.175

    Psychz Networks

    AS40676

    Los Angeles

    34.0522, -118.2437

    99% uptime

    141ms
    |
    1ms
    |
    161ms
  • 208.98.42.13

    Sharktech

    AS46844

    Los Angeles

    34.0522, -118.2437

    100% uptime

    174ms
    |
    5ms
    |
    63ms
  • 208.98.42.15

    Sharktech

    AS46844

    Los Angeles

    34.0522, -118.2437

    100% uptime

    173ms
    |
    7ms
    |
    64ms
  • 209.37.189.170

    AT&T Enterprises, LLC

    AS7018

    Los Angeles

    34.0522, -118.2437

    99% uptime

    170ms
    |
    20ms
    |
    62ms
  • 209.146.100.178

    Cogent Communications, LLC

    AS174

    Los Angeles

    34.0522, -118.2437

    100% uptime

    150ms
    |
    2ms
    |
    38ms
  • 209.148.34.194

    Crown Castle Fiber LLC

    AS46887

    Los Angeles

    34.0522, -118.2437

    100% uptime

    160ms
    |
    4ms
    |
    178ms
  • 216.45.50.68

    HostPapa

    AS36352

    Los Angeles

    34.0522, -118.2437

    100% uptime

    164ms
    |
    2ms
    |
    177ms
  • 216.70.237.18

    TPx Communications

    AS14265

    Los Angeles

    34.0522, -118.2437

    99% uptime

    170ms
    |
    5ms
    |
    98ms
  • 216.86.193.34

    MM Internet, Inc.

    AS12028

    Los Angeles

    34.0522, -118.2437

    99% uptime

    170ms
    |
    3ms
    |
    199ms
  • 216.202.218.244

    Level 3 Parent, LLC

    AS3356

    Los Angeles

    34.0522, -118.2437

    100% uptime

    166ms
    |
    14ms
    |
    42ms
  • 35.130.107.83

    Charter Communications LLC

    AS20115

    Loudon

    35.7328, -84.3338

    99% uptime

    124ms
    |
    2ms
    |
    111ms
  • 68.234.194.42

    PAVLOV MEDIA INC

    AS23473

    Louisville

    38.2542, -85.7594

    95% uptime

    108ms
    |
    0ms
    |
    197ms
  • 74.136.99.157

    Charter Communications Inc

    AS10796

    Louisville

    38.2542, -85.7594

    100% uptime

    137ms
    |
    1ms
    |
    114ms
  • 216.26.158.21

    Flexential Colorado Corp.

    AS13649

    Louisville

    38.2651, -85.5582

    100% uptime

    119ms
    |
    40ms
    |
    39ms
  • 98.43.254.159

    Comcast Cable Communications, LLC

    AS7922

    Loveland

    40.3978, -105.0750

    98% uptime

    147ms
    |
    3ms
    |
    271ms
  • 63.84.156.254

    Verizon Business

    AS701

    Loves Park

    42.3200, -89.0582

    99% uptime

    119ms
    |
    1ms
    |
    170ms
  • 173.162.198.121

    Comcast Cable Communications, LLC

    AS7922

    Lowell

    42.6334, -71.3162

    100% uptime

    113ms
    |
    3ms
    |
    178ms
  • 216.131.28.229

    Vexus Fiber

    AS13693

    Lubbock

    33.5779, -101.8552

    90% uptime

    143ms
    |
    0ms
    |
    518ms
  • 158.247.72.83

    Amplex Electric, Inc.

    AS20205

    Luckey

    41.4506, -83.4874

    100% uptime

    119ms
    |
    2ms
    |
    178ms
  • 71.24.119.153

    Comcast Cable Communications, LLC

    AS7922

    Lyndhurst

    40.8120, -74.1243

    100% uptime

    114ms
    |
    2ms
    |
    113ms
  • 67.141.17.62

    Windstream Communications LLC

    AS7029

    Macon

    32.8407, -83.6324

    100% uptime

    110ms
    |
    1ms
    |
    197ms
  • 98.188.242.237

    Cox Communications Inc.

    AS22773

    Macon

    32.8407, -83.6324

    100% uptime

    125ms
    |
    0ms
    |
    160ms
  • 184.191.220.172

    Cox Communications Inc.

    AS22773

    Macon

    32.8407, -83.6324

    100% uptime

    121ms
    |
    0ms
    |
    184ms
  • 23.188.24.226

    LXXIX Project Lab LLC

    AS397700

    Madison

    41.2795, -72.5984

    100% uptime

    97ms
    |
    0ms
    |
    103ms
  • 24.214.227.214

    WideOpenWest Finance LLC

    AS12083

    Madison

    34.6993, -86.7483

    100% uptime

    130ms
    |
    1ms
    |
    179ms
  • 104.232.189.120

    C Spire Fiber

    AS11272

    Madison

    32.4618, -90.1154

    100% uptime

    117ms
    |
    3ms
    |
    85ms
  • 136.239.113.131

    C Spire Fiber

    AS11272

    Madison

    32.4618, -90.1154

    99% uptime

    116ms
    |
    5ms
    |
    108ms
  • 136.239.113.163

    C Spire Fiber

    AS11272

    Madison

    32.4618, -90.1154

    99% uptime

    117ms
    |
    3ms
    |
    93ms
  • 136.239.113.169

    C Spire Fiber

    AS11272

    Madison

    32.4618, -90.1154

    98% uptime

    114ms
    |
    1ms
    |
    90ms
  • 137.27.95.134

    Charter Communications LLC

    AS20115

    Madison

    43.0731, -89.4012

    100% uptime

    149ms
    |
    1ms
    |
    357ms
  • 154.50.106.13

    WEBBING USA, INC.

    AS393559

    Madison

    34.6993, -86.7483

    90% uptime

    349ms
    |
    90ms
    |
    309ms
  • 154.50.107.16

    WEBBING USA, INC.

    AS393559

    Madison

    34.6993, -86.7483

    100% uptime

    218ms
    |
    40ms
    |
    237ms
  • 154.50.107.119

    WEBBING USA, INC.

    AS393559

    Madison

    34.6993, -86.7483

    90% uptime

    262ms
    |
    110ms
    |
    230ms
  • 154.50.107.124

    WEBBING USA, INC.

    AS393559

    Madison

    34.6993, -86.7483

    100% uptime

    250ms
    |
    46ms
    |
    208ms
  • 154.50.107.186

    WEBBING USA, INC.

    AS393559

    Madison

    34.6993, -86.7483

    95% uptime

    250ms
    |
    70ms
    |
    210ms
  • 154.50.107.245

    WEBBING USA, INC.

    AS393559

    Madison

    34.6993, -86.7483

    100% uptime

    246ms
    |
    71ms
    |
    230ms
  • 172.102.6.114

    Hoyos Consulting LLC

    AS53597

    Madison

    43.0731, -89.4012

    95% uptime

    110ms
    |
    2ms
    |
    171ms
  • 173.195.163.162

    Brazos Valley Council of Governments

    AS393605

    Madisonville

    30.9499, -95.9116

    99% uptime

    129ms
    |
    1ms
    |
    170ms
  • 50.47.64.51

    Wholesail networks LLC

    AS20055

    Maltby

    47.8051, -122.1132

    100% uptime

    148ms
    |
    1ms
    |
    236ms
  • 50.47.64.53

    Wholesail networks LLC

    AS20055

    Maltby

    47.8051, -122.1132

    99% uptime

    166ms
    |
    9ms
    |
    224ms
  • 50.47.64.55

    Wholesail networks LLC

    AS20055

    Maltby

    47.8051, -122.1132

    100% uptime

    148ms
    |
    1ms
    |
    230ms
  • 50.47.64.56

    Wholesail networks LLC

    AS20055

    Maltby

    47.8051, -122.1132

    100% uptime

    167ms
    |
    0ms
    |
    210ms
  • 4.16.124.85

    Level 3 Parent, LLC

    AS3356

    Malvern

    40.0362, -75.5138

    100% uptime

    103ms
    |
    0ms
    |
    138ms
  • 96.241.173.205

    Verizon Business

    AS701

    Manassas

    38.7510, -77.4753

    100% uptime

    103ms
    |
    1ms
    |
    89ms
  • 152.53.36.128

    netcup GmbH

    AS214996

    Manassas

    38.7510, -77.4753

    100% uptime

    104ms
    |
    2ms
    |
    58ms
  • 152.53.169.170

    netcup GmbH

    AS214996

    Manassas

    38.7510, -77.4753

    100% uptime

    105ms
    |
    2ms
    |
    129ms
  • 152.53.194.104

    netcup GmbH

    AS214996

    Manassas

    38.7510, -77.4753

    100% uptime

    111ms
    |
    0ms
    |
    128ms
  • 216.201.72.165

    G-Core Labs S.A.

    AS199524

    Manassas

    38.7510, -77.4753

    100% uptime

    104ms
    |
    0ms
    |
    38ms
  • 65.192.242.91

    Verizon Business

    AS701

    Manassas Park

    38.7840, -77.4697

    100% uptime

    110ms
    |
    1ms
    |
    101ms
  • 50.170.147.81

    Comcast Cable Communications, LLC

    AS7922

    Manchester

    42.9956, -71.4548

    100% uptime

    111ms
    |
    1ms
    |
    234ms
  • 64.222.100.52

    Fidium

    AS13977

    Manchester

    42.9956, -71.4548

    100% uptime

    106ms
    |
    1ms
    |
    117ms
  • 70.8.188.81

    Fidium

    AS13977

    Manchester

    42.9956, -71.4548

    100% uptime

    102ms
    |
    0ms
    |
    161ms
  • 168.148.60.62

    Charter Communications Inc

    AS10796

    Manchester

    37.1537, -83.7619

    100% uptime

    129ms
    |
    0ms
    |
    184ms
  • 168.148.60.71

    Charter Communications Inc

    AS10796

    Manchester

    37.1537, -83.7619

    95% uptime

    130ms
    |
    1ms
    |
    210ms
  • 24.245.177.18

    CABLE ONE, INC.

    AS11492

    Mansfield

    32.0377, -93.7002

    100% uptime

    160ms
    |
    3ms
    |
    119ms
  • 64.68.231.234

    Cherryland Services Inc

    AS13904

    Marana

    32.4367, -111.2254

    98% uptime

    164ms
    |
    20ms
    |
    221ms
  • 64.68.237.87

    Cherryland Services Inc

    AS13904

    Marana

    32.4367, -111.2254

    100% uptime

    170ms
    |
    36ms
    |
    173ms
  • 50.150.82.38

    Comcast Cable Communications, LLC

    AS7922

    Marblehead

    42.5001, -70.8578

    100% uptime

    110ms
    |
    1ms
    |
    62ms
  • 66.182.114.80

    Orbitel Communications, LLC

    AS17385

    Maricopa

    33.0581, -112.0476

    100% uptime

    157ms
    |
    1ms
    |
    136ms
  • 66.182.119.107

    Orbitel Communications, LLC

    AS17385

    Maricopa

    33.0581, -112.0476

    100% uptime

    155ms
    |
    1ms
    |
    126ms
  • 107.172.27.242

    HostPapa

    AS36352

    Marietta

    33.9526, -84.5499

    98% uptime

    99ms
    |
    2ms
    |
    128ms
  • 107.173.210.76

    HostPapa

    AS36352

    Marietta

    33.9526, -84.5499

    100% uptime

    100ms
    |
    2ms
    |
    68ms
  • 107.175.115.158

    HostPapa

    AS36352

    Marietta

    33.9526, -84.5499

    100% uptime

    102ms
    |
    2ms
    |
    31ms
  • 64.233.151.109

    Ritter Communications

    AS23404

    Marked Tree

    35.5329, -90.4207

    100% uptime

    141ms
    |
    3ms
    |
    106ms
  • 74.122.1.167

    JAB Wireless, INC.

    AS17306

    Maroa

    40.0364, -88.9570

    100% uptime

    106ms
    |
    0ms
    |
    132ms
  • 158.222.20.53

    CIRBN, LLC

    AS62523

    Maroa

    40.0364, -88.9570

    100% uptime

    125ms
    |
    4ms
    |
    204ms
  • 24.196.60.44

    Charter Communications LLC

    AS20115

    Marshall

    44.4469, -95.7883

    100% uptime

    141ms
    |
    4ms
    |
    305ms
  • 216.16.25.54

    Clarity Telecom LLC

    AS20412

    Marshall

    44.4469, -95.7883

    98% uptime

    135ms
    |
    13ms
    |
    267ms
  • 216.227.35.5

    Fidium

    AS5742

    Martinsville

    39.3356, -87.8820

    100% uptime

    118ms
    |
    1ms
    |
    185ms
  • 24.35.68.2

    Wave Broadband

    AS54858

    Marysville

    48.0518, -122.1771

    100% uptime

    155ms
    |
    0ms
    |
    51ms
  • 24.159.179.31

    Charter Communications LLC

    AS20115

    Maryville

    35.7565, -83.9705

    100% uptime

    136ms
    |
    2ms
    |
    140ms
  • 159.242.48.186

    Northland Communications Inc.

    AS394907

    Mason City

    43.1536, -93.2010

    100% uptime

    110ms
    |
    1ms
    |
    56ms
  • 50.144.27.227

    Comcast Cable Communications, LLC

    AS7922

    Matthews

    35.1168, -80.7237

    98% uptime

    132ms
    |
    1ms
    |
    213ms
  • 135.26.196.68

    Fidium

    AS5742

    Mattoon

    39.4831, -88.3728

    100% uptime

    110ms
    |
    1ms
    |
    151ms
  • 135.26.211.189

    Fidium

    AS5742

    Mattoon

    39.4831, -88.3728

    100% uptime

    110ms
    |
    1ms
    |
    150ms
  • 12.217.137.167

    AT&T Enterprises, LLC

    AS7018

    Maumee

    41.5628, -83.6538

    99% uptime

    119ms
    |
    1ms
    |
    91ms
  • 73.69.133.158

    Comcast Cable Communications, LLC

    AS7922

    Maynard

    42.4334, -71.4495

    100% uptime

    128ms
    |
    1ms
    |
    253ms
  • 162.220.238.23

    Summit Digital, INC.

    AS393268

    McBain

    44.1936, -85.2134

    100% uptime

    115ms
    |
    2ms
    |
    161ms
  • 67.184.197.123

    Comcast Cable Communications, LLC

    AS7922

    McHenry

    42.3334, -88.2668

    90% uptime

    141ms
    |
    2ms
    |
    210ms
  • 73.154.249.128

    Comcast Cable Communications, LLC

    AS7922

    McKeesport

    40.3479, -79.8642

    100% uptime

    125ms
    |
    2ms
    |
    195ms
  • 15.218.0.67

    Wholesail networks LLC

    AS20055

    McMinnville

    45.2101, -123.1987

    100% uptime

    160ms
    |
    0ms
    |
    178ms
  • 172.254.202.139

    Charter Communications Inc

    AS12271

    Mechanicstown

    41.4429, -74.3885

    99% uptime

    95ms
    |
    1ms
    |
    49ms
  • 50.147.20.153

    Comcast Cable Communications, LLC

    AS7922

    Mechanicsville

    37.6088, -77.3733

    98% uptime

    109ms
    |
    3ms
    |
    156ms
  • 71.56.191.22

    Comcast Cable Communications, LLC

    AS7922

    Mechanicsville

    37.6088, -77.3733

    100% uptime

    121ms
    |
    6ms
    |
    207ms
  • 216.176.26.117

    Great Lakes Comnet, Inc.

    AS30517

    Mecosta

    43.6203, -85.2264

    100% uptime

    125ms
    |
    1ms
    |
    158ms
  • 50.237.115.10

    Comcast Cable Communications, LLC

    AS7922

    Medford Lakes

    39.8584, -74.8029

    100% uptime

    125ms
    |
    2ms
    |
    130ms