DNS Servers

United States of America 4294 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

  • 157.245.95.153

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    85ms
    |
    2ms
    |
    52ms
  • 157.245.129.221

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    85ms
    |
    2ms
    |
    52ms
  • 157.245.129.255

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    84ms
    |
    2ms
    |
    49ms
  • 157.245.136.171

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    98% uptime

    85ms
    |
    2ms
    |
    130ms
  • 157.245.253.18

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    84ms
    |
    2ms
    |
    59ms
  • 159.65.216.95

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    84ms
    |
    2ms
    |
    51ms
  • 159.65.219.127

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    85ms
    |
    2ms
    |
    49ms
  • 159.65.236.34

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    84ms
    |
    2ms
    |
    49ms
  • 159.203.176.88

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    85ms
    |
    2ms
    |
    58ms
  • 159.203.183.202

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    98% uptime

    85ms
    |
    2ms
    |
    64ms
  • 159.203.187.135

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    99% uptime

    85ms
    |
    2ms
    |
    58ms
  • 159.223.167.64

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    85ms
    |
    2ms
    |
    112ms
  • 159.223.187.13

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    99% uptime

    84ms
    |
    2ms
    |
    127ms
  • 159.223.191.135

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    84ms
    |
    2ms
    |
    127ms
  • 161.35.8.183

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    85ms
    |
    2ms
    |
    47ms
  • 161.35.57.172

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    99% uptime

    85ms
    |
    2ms
    |
    50ms
  • 161.35.62.168

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    84ms
    |
    2ms
    |
    74ms
  • 161.35.62.239

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    85ms
    |
    2ms
    |
    49ms
  • 162.243.163.122

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    96% uptime

    85ms
    |
    2ms
    |
    56ms
  • 162.243.165.168

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    85ms
    |
    2ms
    |
    60ms
  • 162.243.166.114

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    85ms
    |
    2ms
    |
    60ms
  • 162.243.170.239

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    85ms
    |
    2ms
    |
    48ms
  • 165.22.182.16

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    98% uptime

    85ms
    |
    2ms
    |
    50ms
  • 165.227.81.222

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    85ms
    |
    2ms
    |
    60ms
  • 165.227.87.216

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    98% uptime

    85ms
    |
    2ms
    |
    50ms
  • 165.227.196.145

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    84ms
    |
    2ms
    |
    58ms
  • 165.227.200.181

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    85ms
    |
    2ms
    |
    47ms
  • 165.227.202.100

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    84ms
    |
    2ms
    |
    52ms
  • 167.71.18.90

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    84ms
    |
    2ms
    |
    133ms
  • 167.71.30.219

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    84ms
    |
    2ms
    |
    92ms
  • 167.99.2.101

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    85ms
    |
    2ms
    |
    59ms
  • 167.99.159.191

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    98% uptime

    85ms
    |
    2ms
    |
    65ms
  • 167.99.239.200

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    99% uptime

    85ms
    |
    2ms
    |
    52ms
  • 167.172.137.6

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    85ms
    |
    2ms
    |
    61ms
  • 167.172.153.129

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    85ms
    |
    2ms
    |
    52ms
  • 174.138.42.210

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    98% uptime

    85ms
    |
    2ms
    |
    67ms
  • 174.138.127.30

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    84ms
    |
    2ms
    |
    62ms
  • 178.128.145.87

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    85ms
    |
    2ms
    |
    127ms
  • 192.241.132.42

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    86ms
    |
    2ms
    |
    60ms
  • 192.241.134.240

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    84ms
    |
    2ms
    |
    112ms
  • 192.241.144.133

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    84ms
    |
    2ms
    |
    63ms
  • 198.199.65.166

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    85ms
    |
    2ms
    |
    63ms
  • 198.199.65.218

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    85ms
    |
    2ms
    |
    61ms
  • 198.199.72.35

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    85ms
    |
    2ms
    |
    60ms
  • 198.199.76.15

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    98% uptime

    85ms
    |
    2ms
    |
    47ms
  • 198.199.83.132

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    85ms
    |
    2ms
    |
    55ms
  • 198.199.90.173

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    85ms
    |
    2ms
    |
    114ms
  • 198.211.117.9

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    96% uptime

    84ms
    |
    2ms
    |
    67ms
  • 198.211.117.166

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    85ms
    |
    2ms
    |
    69ms
  • 204.48.31.98

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    98% uptime

    84ms
    |
    2ms
    |
    47ms
  • 206.81.0.97

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    85ms
    |
    2ms
    |
    82ms
  • 206.81.10.16

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    99% uptime

    85ms
    |
    2ms
    |
    64ms
  • 206.81.13.108

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    84ms
    |
    2ms
    |
    60ms
  • 206.189.183.5

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    84ms
    |
    2ms
    |
    58ms
  • 206.189.196.114

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    84ms
    |
    2ms
    |
    52ms
  • 206.189.200.144

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    99% uptime

    85ms
    |
    2ms
    |
    52ms
  • 206.189.206.127

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    84ms
    |
    2ms
    |
    128ms
  • 206.189.206.156

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    85ms
    |
    2ms
    |
    55ms
  • 206.189.232.235

    DigitalOcean, LLC

    AS14061

    North Bergen

    40.8043, -74.0121

    100% uptime

    85ms
    |
    2ms
    |
    60ms
  • 108.20.202.217

    Verizon Business

    AS701

    Northborough

    42.3195, -71.6412

    100% uptime

    103ms
    |
    2ms
    |
    134ms
  • 34.74.210.152

    Google LLC

    AS396982

    North Charleston

    32.8546, -79.9748

    100% uptime

    101ms
    |
    1ms
    |
    189ms
  • 34.75.125.23

    Google LLC

    AS396982

    North Charleston

    32.8546, -79.9748

    100% uptime

    145ms
    |
    52ms
    |
    102ms
  • 34.138.163.92

    Google LLC

    AS396982

    North Charleston

    32.8546, -79.9748

    100% uptime

    101ms
    |
    1ms
    |
    92ms
  • 34.139.81.230

    Google LLC

    AS396982

    North Charleston

    32.8546, -79.9748

    98% uptime

    101ms
    |
    1ms
    |
    144ms
  • 34.148.39.31

    Google LLC

    AS396982

    North Charleston

    32.8546, -79.9748

    100% uptime

    101ms
    |
    1ms
    |
    83ms
  • 35.211.200.196

    Google LLC

    AS15169

    North Charleston

    32.8546, -79.9748

    100% uptime

    107ms
    |
    0ms
    |
    149ms
  • 35.231.81.50

    Google LLC

    AS396982

    North Charleston

    32.8546, -79.9748

    100% uptime

    100ms
    |
    1ms
    |
    73ms
  • 35.231.108.82

    Google LLC

    AS396982

    North Charleston

    32.8546, -79.9748

    100% uptime

    101ms
    |
    1ms
    |
    90ms
  • 108.77.244.137

    AT&T Enterprises, LLC

    AS7018

    North Charleston

    32.8546, -79.9748

    98% uptime

    125ms
    |
    0ms
    |
    100ms
  • 24.22.143.177

    Comcast Cable Communications, LLC

    AS7922

    North Creek

    47.8195, -122.1762

    98% uptime

    181ms
    |
    11ms
    |
    348ms
  • 66.129.214.37

    South Slope Cooperative Telephone Company

    AS30325

    North Liberty

    41.7492, -91.5979

    100% uptime

    115ms
    |
    9ms
    |
    148ms
  • 208.126.206.101

    South Slope Cooperative Telephone Company

    AS30325

    North Liberty

    41.7492, -91.5979

    100% uptime

    122ms
    |
    2ms
    |
    280ms
  • 47.16.118.37

    Cablevision Systems Corp.

    AS6128

    North Massapequa

    40.7009, -73.4621

    98% uptime

    94ms
    |
    0ms
    |
    125ms
  • 23.134.252.2

    ErnesTech LLC

    AS401345

    North Olmsted

    41.4156, -81.9235

    98% uptime

    96ms
    |
    4ms
    |
    145ms
  • 70.62.128.234

    Charter Communications Inc

    AS10796

    North Olmsted

    41.4156, -81.9235

    99% uptime

    118ms
    |
    10ms
    |
    79ms
  • 74.219.161.186

    Charter Communications Inc

    AS10796

    North Olmsted

    41.4156, -81.9235

    100% uptime

    118ms
    |
    3ms
    |
    87ms
  • 67.80.236.92

    Cablevision Systems Corp.

    AS6128

    North Sea

    40.9329, -72.4142

    96% uptime

    102ms
    |
    8ms
    |
    167ms
  • 24.228.149.170

    Cablevision Systems Corp.

    AS6128

    Norwalk

    41.1176, -73.4079

    96% uptime

    95ms
    |
    1ms
    |
    135ms
  • 71.233.243.158

    Comcast Cable Communications, LLC

    AS7922

    Norwich

    41.5243, -72.0759

    98% uptime

    126ms
    |
    18ms
    |
    217ms
  • 12.230.136.81

    AT&T Enterprises, LLC

    AS7018

    Oak Grove

    32.8610, -91.3885

    100% uptime

    150ms
    |
    1ms
    |
    56ms
  • 12.26.58.58

    AT&T Enterprises, LLC

    AS7018

    Oakland

    37.8044, -122.2708

    96% uptime

    162ms
    |
    2ms
    |
    184ms
  • 50.175.206.250

    Comcast Cable Communications, LLC

    AS7922

    Oakland

    37.8044, -122.2708

    98% uptime

    168ms
    |
    2ms
    |
    234ms
  • 67.180.154.234

    Comcast Cable Communications, LLC

    AS7922

    Oakland

    37.8044, -122.2708

    100% uptime

    176ms
    |
    2ms
    |
    334ms
  • 96.74.95.33

    Comcast Cable Communications, LLC

    AS7922

    Oakland

    37.8044, -122.2708

    100% uptime

    170ms
    |
    1ms
    |
    105ms
  • 104.251.70.27

    Shenandoah Cable Television LLC

    AS4922

    Oakland

    39.4079, -79.4067

    98% uptime

    127ms
    |
    3ms
    |
    119ms
  • 135.180.163.75

    Sonic Telecom LLC

    AS46375

    Oakland

    37.8044, -122.2708

    96% uptime

    161ms
    |
    4ms
    |
    186ms
  • 135.180.195.65

    Sonic Telecom LLC

    AS46375

    Oakland

    37.8044, -122.2708

    100% uptime

    164ms
    |
    4ms
    |
    201ms
  • 184.23.23.56

    Sonic Telecom LLC

    AS46375

    Oakland

    37.8044, -122.2708

    100% uptime

    161ms
    |
    6ms
    |
    224ms
  • 204.111.97.96

    Shenandoah Cable Television LLC

    AS4922

    Oakland

    39.4079, -79.4067

    100% uptime

    126ms
    |
    7ms
    |
    127ms
  • 216.227.34.5

    Fidium

    AS5742

    Oblong

    39.0020, -87.9089

    100% uptime

    119ms
    |
    3ms
    |
    188ms
  • 137.83.64.121

    Coast Communications Company

    AS55214

    Ocean Shores

    46.9737, -124.1563

    100% uptime

    170ms
    |
    11ms
    |
    230ms
  • 137.83.65.87

    Coast Communications Company

    AS55214

    Ocean Shores

    46.9737, -124.1563

    100% uptime

    175ms
    |
    6ms
    |
    238ms
  • 216.116.1.0

    Coast Communications Company

    AS55214

    Ocean Shores

    46.9737, -124.1563

    100% uptime

    172ms
    |
    7ms
    |
    237ms
  • 96.18.5.227

    CABLE ONE, INC.

    AS11492

    Odessa

    31.8457, -102.3676

    100% uptime

    135ms
    |
    1ms
    |
    174ms
  • 96.18.5.230

    CABLE ONE, INC.

    AS11492

    Odessa

    31.8457, -102.3676

    100% uptime

    131ms
    |
    1ms
    |
    188ms
  • 50.222.146.20

    Comcast Cable Communications, LLC

    AS33660

    Ogden

    41.2230, -111.9738

    100% uptime

    155ms
    |
    4ms
    |
    120ms
  • 64.67.140.128

    PenTeleData Inc.

    AS3737

    Ogdensburg

    41.0818, -74.5924

    99% uptime

    104ms
    |
    5ms
    |
    156ms
  • 66.71.192.2

    U S A CHOICE INTERNET SERVICES CO.

    AS14438

    Oil City

    41.4340, -79.7064

    98% uptime

    99ms
    |
    2ms
    |
    183ms
  • 66.71.192.5

    U S A CHOICE INTERNET SERVICES CO.

    AS14438

    Oil City

    41.4340, -79.7064

    98% uptime

    100ms
    |
    2ms
    |
    181ms
  • 73.145.136.233

    Comcast Cable Communications, LLC

    AS7922

    Okemos

    42.7223, -84.4275

    100% uptime

    131ms
    |
    3ms
    |
    224ms