DNS Servers

United States of America 4317 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

  • 108.28.123.101

    Verizon Business

    AS701

    Manassas

    38.7510, -77.4753

    98% uptime

    107ms
    |
    1ms
    |
    149ms
  • 152.53.169.170

    netcup GmbH

    AS214996

    Manassas

    38.7510, -77.4753

    100% uptime

    107ms
    |
    3ms
    |
    128ms
  • 152.53.241.54

    netcup GmbH

    AS214996

    Manassas

    38.7510, -77.4753

    100% uptime

    104ms
    |
    4ms
    |
    16ms
  • 216.201.72.165

    G-Core Labs S.A.

    AS199524

    Manassas

    38.7510, -77.4753

    99% uptime

    106ms
    |
    2ms
    |
    47ms
  • 65.192.242.91

    Verizon Business

    AS701

    Manassas Park

    38.7840, -77.4697

    100% uptime

    114ms
    |
    3ms
    |
    114ms
  • 50.170.147.81

    Comcast Cable Communications, LLC

    AS7922

    Manchester

    42.9956, -71.4548

    99% uptime

    110ms
    |
    1ms
    |
    228ms
  • 64.223.204.235

    Fidium

    AS13977

    Manchester

    42.9956, -71.4548

    100% uptime

    101ms
    |
    1ms
    |
    187ms
  • 70.8.188.81

    Fidium

    AS13977

    Manchester

    42.9956, -71.4548

    100% uptime

    102ms
    |
    3ms
    |
    159ms
  • 163.252.193.188

    Fidium

    AS13977

    Manchester

    42.9956, -71.4548

    100% uptime

    101ms
    |
    2ms
    |
    200ms
  • 168.148.60.27

    Charter Communications Inc

    AS10796

    Manchester

    37.1537, -83.7619

    100% uptime

    129ms
    |
    2ms
    |
    177ms
  • 168.148.60.28

    Charter Communications Inc

    AS10796

    Manchester

    37.1537, -83.7619

    100% uptime

    129ms
    |
    7ms
    |
    183ms
  • 168.148.60.33

    Charter Communications Inc

    AS10796

    Manchester

    37.1537, -83.7619

    100% uptime

    129ms
    |
    2ms
    |
    163ms
  • 168.148.60.37

    Charter Communications Inc

    AS10796

    Manchester

    37.1537, -83.7619

    100% uptime

    128ms
    |
    2ms
    |
    190ms
  • 168.148.60.49

    Charter Communications Inc

    AS10796

    Manchester

    37.1537, -83.7619

    100% uptime

    129ms
    |
    2ms
    |
    183ms
  • 168.148.60.62

    Charter Communications Inc

    AS10796

    Manchester

    37.1537, -83.7619

    98% uptime

    128ms
    |
    7ms
    |
    175ms
  • 168.148.60.121

    Charter Communications Inc

    AS10796

    Manchester

    37.1537, -83.7619

    100% uptime

    128ms
    |
    7ms
    |
    189ms
  • 168.148.60.133

    Charter Communications Inc

    AS10796

    Manchester

    37.1537, -83.7619

    100% uptime

    130ms
    |
    2ms
    |
    180ms
  • 72.249.241.187

    FastTrack Communications Inc.

    AS30688

    Mancos

    37.3450, -108.2892

    98% uptime

    133ms
    |
    3ms
    |
    312ms
  • 12.198.143.25

    AT&T Enterprises, LLC

    AS7018

    Mandeville

    30.3583, -90.0656

    100% uptime

    137ms
    |
    7ms
    |
    215ms
  • 64.61.211.202

    Fidium

    AS12042

    Mankato

    44.1591, -94.0092

    100% uptime

    111ms
    |
    5ms
    |
    170ms
  • 64.61.219.42

    Fidium

    AS12042

    Mankato

    44.1591, -94.0092

    98% uptime

    109ms
    |
    5ms
    |
    92ms
  • 24.115.103.80

    PenTeleData Inc.

    AS3737

    Mansfield

    41.8073, -77.0775

    98% uptime

    106ms
    |
    3ms
    |
    213ms
  • 24.245.177.18

    CABLE ONE, INC.

    AS11492

    Mansfield

    32.0377, -93.7002

    100% uptime

    166ms
    |
    6ms
    |
    90ms
  • 24.118.110.12

    Comcast Cable Communications, LLC

    AS7922

    Maple Grove

    45.0725, -93.4558

    98% uptime

    133ms
    |
    6ms
    |
    223ms
  • 73.37.137.211

    Comcast Cable Communications, LLC

    AS7922

    Maplewood

    44.9530, -92.9952

    98% uptime

    135ms
    |
    8ms
    |
    52ms
  • 167.142.158.18

    Aureon Network Services

    AS5056

    Maquoketa

    42.0689, -90.6657

    100% uptime

    116ms
    |
    3ms
    |
    27ms
  • 64.68.237.87

    Cherryland Services Inc

    AS13904

    Marana

    32.4367, -111.2254

    98% uptime

    167ms
    |
    29ms
    |
    126ms
  • 64.68.239.54

    Cherryland Services Inc

    AS13904

    Marana

    32.4367, -111.2254

    98% uptime

    179ms
    |
    28ms
    |
    216ms
  • 154.50.106.12

    WEBBING USA, INC.

    AS393559

    Marana

    32.4367, -111.2254

    100% uptime

    261ms
    |
    65ms
    |
    230ms
  • 154.50.106.175

    WEBBING USA, INC.

    AS393559

    Marana

    32.4367, -111.2254

    100% uptime

    318ms
    |
    72ms
    |
    231ms
  • 154.50.106.176

    WEBBING USA, INC.

    AS393559

    Marana

    32.4367, -111.2254

    98% uptime

    208ms
    |
    11ms
    |
    168ms
  • 154.50.107.103

    WEBBING USA, INC.

    AS393559

    Marana

    32.4367, -111.2254

    96% uptime

    229ms
    |
    79ms
    |
    211ms
  • 154.50.107.115

    WEBBING USA, INC.

    AS393559

    Marana

    32.4367, -111.2254

    100% uptime

    264ms
    |
    82ms
    |
    238ms
  • 154.50.107.116

    WEBBING USA, INC.

    AS393559

    Marana

    32.4367, -111.2254

    100% uptime

    253ms
    |
    86ms
    |
    221ms
  • 154.50.107.117

    WEBBING USA, INC.

    AS393559

    Marana

    32.4367, -111.2254

    100% uptime

    281ms
    |
    78ms
    |
    177ms
  • 154.50.107.123

    WEBBING USA, INC.

    AS393559

    Marana

    32.4367, -111.2254

    100% uptime

    294ms
    |
    79ms
    |
    230ms
  • 154.50.107.125

    WEBBING USA, INC.

    AS393559

    Marana

    32.4367, -111.2254

    96% uptime

    280ms
    |
    92ms
    |
    229ms
  • 154.50.107.187

    WEBBING USA, INC.

    AS393559

    Marana

    32.4367, -111.2254

    96% uptime

    352ms
    |
    85ms
    |
    239ms
  • 154.50.107.248

    WEBBING USA, INC.

    AS393559

    Marana

    32.4367, -111.2254

    100% uptime

    319ms
    |
    87ms
    |
    197ms
  • 192.63.178.45

    Charter Communications Inc

    AS11427

    Marble Falls

    30.5784, -98.2751

    100% uptime

    153ms
    |
    2ms
    |
    263ms
  • 50.150.82.38

    Comcast Cable Communications, LLC

    AS7922

    Marblehead

    42.5001, -70.8578

    100% uptime

    110ms
    |
    1ms
    |
    57ms
  • 74.85.181.141

    Summit Broadband

    AS23314

    Marco Island

    25.9412, -81.7184

    98% uptime

    118ms
    |
    2ms
    |
    189ms
  • 74.85.185.175

    Summit Broadband

    AS23314

    Marco Island

    25.9412, -81.7184

    98% uptime

    125ms
    |
    4ms
    |
    153ms
  • 130.44.61.74

    Summit Broadband

    AS23314

    Marco Island

    25.9412, -81.7184

    98% uptime

    120ms
    |
    18ms
    |
    132ms
  • 64.154.133.113

    Level 3 Parent, LLC

    AS3356

    Maricopa

    33.0581, -112.0476

    100% uptime

    152ms
    |
    1ms
    |
    214ms
  • 107.172.27.242

    HostPapa

    AS36352

    Marietta

    33.9526, -84.5499

    100% uptime

    101ms
    |
    2ms
    |
    130ms
  • 107.173.210.76

    HostPapa

    AS36352

    Marietta

    33.9526, -84.5499

    99% uptime

    101ms
    |
    2ms
    |
    81ms
  • 107.175.115.158

    HostPapa

    AS36352

    Marietta

    33.9526, -84.5499

    99% uptime

    100ms
    |
    2ms
    |
    21ms
  • 198.46.248.111

    HostPapa

    AS36352

    Marietta

    33.9526, -84.5499

    100% uptime

    102ms
    |
    2ms
    |
    24ms
  • 74.122.1.167

    JAB Wireless, INC.

    AS17306

    Maroa

    40.0364, -88.9570

    100% uptime

    106ms
    |
    3ms
    |
    132ms
  • 74.221.48.46

    Peninsula Fiber Network, LLC

    AS46208

    Marquette

    46.5435, -87.3954

    100% uptime

    114ms
    |
    0ms
    |
    133ms
  • 71.87.80.89

    Charter Communications LLC

    AS20115

    Marshall

    44.4469, -95.7883

    100% uptime

    145ms
    |
    3ms
    |
    64ms
  • 216.227.35.5

    Fidium

    AS5742

    Martinsville

    39.3356, -87.8820

    100% uptime

    118ms
    |
    3ms
    |
    185ms
  • 209.253.211.154

    Windstream Communications LLC

    AS7029

    Marvin

    34.9918, -80.8148

    99% uptime

    128ms
    |
    5ms
    |
    34ms
  • 24.35.68.2

    Wave Broadband

    AS54858

    Marysville

    48.0518, -122.1771

    100% uptime

    156ms
    |
    7ms
    |
    64ms
  • 50.123.71.159

    Wholesail networks LLC

    AS20055

    Marysville

    48.0518, -122.1771

    100% uptime

    148ms
    |
    7ms
    |
    175ms
  • 67.185.9.49

    Comcast Cable Communications, LLC

    AS7922

    Marysville

    48.0518, -122.1771

    98% uptime

    177ms
    |
    12ms
    |
    318ms
  • 67.185.178.160

    Comcast Cable Communications, LLC

    AS7922

    Marysville

    48.0518, -122.1771

    96% uptime

    179ms
    |
    9ms
    |
    360ms
  • 24.159.179.31

    Charter Communications LLC

    AS20115

    Maryville

    35.7565, -83.9705

    99% uptime

    136ms
    |
    5ms
    |
    152ms
  • 65.119.242.133

    Level 3 Parent, LLC

    AS10753

    Mashantucket

    41.4784, -71.9609

    98% uptime

    98ms
    |
    1ms
    |
    94ms
  • 50.144.27.227

    Comcast Cable Communications, LLC

    AS7922

    Matthews

    35.1168, -80.7237

    99% uptime

    132ms
    |
    7ms
    |
    221ms
  • 108.255.77.201

    AT&T Enterprises, LLC

    AS7018

    Matthews

    35.1168, -80.7237

    100% uptime

    122ms
    |
    1ms
    |
    132ms
  • 135.26.211.189

    Fidium

    AS5742

    Mattoon

    39.4831, -88.3728

    100% uptime

    110ms
    |
    3ms
    |
    153ms
  • 73.69.133.158

    Comcast Cable Communications, LLC

    AS7922

    Maynard

    42.4334, -71.4495

    99% uptime

    128ms
    |
    1ms
    |
    235ms
  • 47.208.147.66

    Optimum

    AS19108

    McKinleyville

    40.9465, -124.1006

    96% uptime

    176ms
    |
    5ms
    |
    248ms
  • 208.79.109.164

    Wholesale Air-time Inc.

    AS25671

    Mead Valley

    33.8334, -117.2961

    96% uptime

    177ms
    |
    10ms
    |
    222ms
  • 172.254.202.139

    Charter Communications Inc

    AS12271

    Mechanicstown

    41.4429, -74.3885

    100% uptime

    95ms
    |
    1ms
    |
    36ms
  • 71.56.191.22

    Comcast Cable Communications, LLC

    AS7922

    Mechanicsville

    37.6088, -77.3733

    100% uptime

    125ms
    |
    6ms
    |
    219ms
  • 24.101.91.71

    Armstrong

    AS27364

    Medina

    41.1384, -81.8637

    100% uptime

    110ms
    |
    3ms
    |
    47ms
  • 66.198.216.48

    Visionary Communications LLC

    AS10835

    Meeker

    40.0375, -107.9131

    99% uptime

    126ms
    |
    1ms
    |
    188ms
  • 66.198.216.127

    Visionary Communications LLC

    AS10835

    Meeker

    40.0375, -107.9131

    98% uptime

    125ms
    |
    1ms
    |
    180ms
  • 66.198.216.150

    Visionary Communications LLC

    AS10835

    Meeker

    40.0375, -107.9131

    99% uptime

    124ms
    |
    1ms
    |
    184ms
  • 66.198.217.129

    Visionary Communications LLC

    AS10835

    Meeker

    40.0375, -107.9131

    100% uptime

    124ms
    |
    4ms
    |
    182ms
  • 66.198.217.242

    Visionary Communications LLC

    AS10835

    Meeker

    40.0375, -107.9131

    96% uptime

    125ms
    |
    3ms
    |
    178ms
  • 66.198.218.211

    Visionary Communications LLC

    AS10835

    Meeker

    40.0375, -107.9131

    100% uptime

    125ms
    |
    5ms
    |
    185ms
  • 66.198.219.20

    Visionary Communications LLC

    AS10835

    Meeker

    40.0375, -107.9131

    98% uptime

    126ms
    |
    1ms
    |
    176ms
  • 66.198.219.48

    Visionary Communications LLC

    AS10835

    Meeker

    40.0375, -107.9131

    100% uptime

    124ms
    |
    6ms
    |
    177ms
  • 66.198.219.132

    Visionary Communications LLC

    AS10835

    Meeker

    40.0375, -107.9131

    99% uptime

    125ms
    |
    7ms
    |
    174ms
  • 66.198.219.246

    Visionary Communications LLC

    AS10835

    Meeker

    40.0375, -107.9131

    100% uptime

    125ms
    |
    7ms
    |
    180ms
  • 65.98.157.151

    TPx Communications

    AS14265

    Melbourne

    28.0673, -80.6780

    100% uptime

    136ms
    |
    3ms
    |
    113ms
  • 75.115.143.176

    Charter Communications, Inc

    AS33363

    Melbourne

    28.0836, -80.6081

    98% uptime

    134ms
    |
    14ms
    |
    232ms
  • 23.148.64.28

    Premier Satellite

    AS393857

    Memphis

    35.1495, -90.0490

    96% uptime

    115ms
    |
    4ms
    |
    214ms
  • 73.5.5.15

    Comcast Cable Communications, LLC

    AS7922

    Memphis

    35.1495, -90.0490

    100% uptime

    151ms
    |
    7ms
    |
    285ms
  • 73.5.9.208

    Comcast Cable Communications, LLC

    AS7922

    Memphis

    35.1495, -90.0490

    100% uptime

    162ms
    |
    5ms
    |
    297ms
  • 73.91.197.220

    Comcast Cable Communications, LLC

    AS7922

    Memphis

    35.1495, -90.0490

    98% uptime

    151ms
    |
    5ms
    |
    273ms
  • 73.203.143.163

    Comcast Cable Communications, LLC

    AS7922

    Memphis

    35.1495, -90.0490

    98% uptime

    162ms
    |
    19ms
    |
    280ms
  • 96.81.24.121

    Comcast Cable Communications, LLC

    AS7922

    Memphis

    35.1495, -90.0490

    98% uptime

    153ms
    |
    5ms
    |
    231ms
  • 76.190.0.130

    Charter Communications Inc

    AS10796

    Mentor

    41.6662, -81.3396

    100% uptime

    120ms
    |
    7ms
    |
    83ms
  • 24.101.88.53

    Armstrong

    AS27364

    Meridian

    40.8484, -79.9620

    100% uptime

    120ms
    |
    3ms
    |
    119ms
  • 136.239.113.163

    C Spire Fiber

    AS11272

    Meridian

    32.3643, -88.7037

    99% uptime

    115ms
    |
    4ms
    |
    141ms
  • 50.171.217.10

    Comcast Cable Communications, LLC

    AS7922

    Merrillville

    41.4828, -87.3328

    98% uptime

    125ms
    |
    7ms
    |
    184ms
  • 65.132.57.141

    CenturyLink Communications, LLC

    AS209

    Mesa

    33.4223, -111.8226

    100% uptime

    153ms
    |
    2ms
    |
    47ms
  • 24.173.217.114

    Charter Communications Inc

    AS11427

    Mesquite

    32.7668, -96.5992

    96% uptime

    141ms
    |
    6ms
    |
    243ms
  • 69.76.150.242

    Charter Communications Inc

    AS11427

    Mesquite

    32.7668, -96.5992

    100% uptime

    138ms
    |
    2ms
    |
    216ms
  • 23.135.152.129

    Metro Service Center

    AS400656

    Metropolis

    37.1512, -88.7320

    96% uptime

    117ms
    |
    3ms
    |
    246ms
  • 8.14.63.78

    Hotwire Communications

    AS23089

    Miami

    25.7743, -80.1937

    98% uptime

    128ms
    |
    5ms
    |
    176ms
  • 38.91.106.89

    GTHost

    AS63023

    Miami

    25.7743, -80.1937

    100% uptime

    114ms
    |
    2ms
    |
    225ms
  • 38.110.1.45

    GTHost

    AS63023

    Miami

    25.7743, -80.1937

    100% uptime

    115ms
    |
    6ms
    |
    82ms
  • 38.110.1.231

    GTHost

    AS63023

    Miami

    25.7743, -80.1937

    99% uptime

    114ms
    |
    5ms
    |
    227ms
  • 38.126.216.237

    Cogent Communications, LLC

    AS174

    Miami

    25.7743, -80.1937

    98% uptime

    133ms
    |
    3ms
    |
    261ms