DNS Servers

United States of America 4613 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

  • 23.254.129.112

    Hostwinds LLC.

    AS54290

    Dallas

    32.7831, -96.8067

    94% uptime

    120ms
    |
    1ms
    |
    153ms
  • 23.254.131.152

    Hostwinds LLC.

    AS54290

    Dallas

    32.7831, -96.8067

    100% uptime

    120ms
    |
    1ms
    |
    140ms
  • 23.254.166.11

    Hostwinds LLC.

    AS54290

    Dallas

    32.7831, -96.8067

    100% uptime

    127ms
    |
    1ms
    |
    138ms
  • 24.143.9.152

    Vyve Broadband

    AS35986

    Dallas

    32.7831, -96.8067

    100% uptime

    129ms
    |
    3ms
    |
    281ms
  • 24.242.224.61

    Charter Communications Inc

    AS11427

    Dallas

    32.7831, -96.8067

    100% uptime

    140ms
    |
    4ms
    |
    187ms
  • 32.140.65.174

    AT&T Enterprises, LLC

    AS7018

    Dallas

    32.7831, -96.8067

    98% uptime

    136ms
    |
    15ms
    |
    43ms
  • 37.19.200.87

    Datacamp Limited

    AS212238

    Dallas

    32.7831, -96.8067

    100% uptime

    120ms
    |
    2ms
    |
    135ms
  • 38.64.5.122

    WEBBING USA, INC.

    AS393559

    Dallas

    32.7831, -96.8067

    100% uptime

    306ms
    |
    73ms
    |
    268ms
  • 38.133.199.147

    Cloudmylab.com

    AS22369

    Dallas

    32.7831, -96.8067

    100% uptime

    125ms
    |
    0ms
    |
    74ms
  • 38.133.199.148

    Cloudmylab.com

    AS22369

    Dallas

    32.7831, -96.8067

    100% uptime

    125ms
    |
    0ms
    |
    54ms
  • 38.133.199.152

    Cloudmylab.com

    AS22369

    Dallas

    32.7831, -96.8067

    100% uptime

    125ms
    |
    1ms
    |
    49ms
  • 38.135.176.5

    Cogent Communications, LLC

    AS174

    Dallas

    32.7831, -96.8067

    98% uptime

    123ms
    |
    2ms
    |
    179ms
  • 38.244.211.25

    Scalaxy B.V.

    AS58061

    Dallas

    32.7831, -96.8067

    94% uptime

    134ms
    |
    0ms
    |
    165ms
  • 38.244.211.28

    Scalaxy B.V.

    AS58061

    Dallas

    32.7831, -96.8067

    100% uptime

    134ms
    |
    1ms
    |
    159ms
  • 38.244.211.32

    Scalaxy B.V.

    AS58061

    Dallas

    32.7831, -96.8067

    100% uptime

    134ms
    |
    1ms
    |
    158ms
  • 38.246.55.17

    Hillbilly Wireless INC.

    AS62682

    Dallas

    32.7831, -96.8067

    94% uptime

    160ms
    |
    2ms
    |
    260ms
  • 38.246.55.193

    Hillbilly Wireless INC.

    AS62682

    Dallas

    32.7831, -96.8067

    94% uptime

    161ms
    |
    2ms
    |
    243ms
  • 45.32.192.246

    The Constant Company, LLC

    AS20473

    Dallas

    32.7831, -96.8067

    99% uptime

    133ms
    |
    3ms
    |
    83ms
  • 45.32.196.153

    The Constant Company, LLC

    AS20473

    Dallas

    32.7831, -96.8067

    99% uptime

    133ms
    |
    1ms
    |
    83ms
  • 45.32.196.223

    The Constant Company, LLC

    AS20473

    Dallas

    32.7831, -96.8067

    98% uptime

    132ms
    |
    1ms
    |
    86ms
  • 45.32.198.141

    The Constant Company, LLC

    AS20473

    Dallas

    32.7831, -96.8067

    100% uptime

    133ms
    |
    3ms
    |
    82ms
  • 45.32.198.239

    The Constant Company, LLC

    AS20473

    Dallas

    32.7831, -96.8067

    99% uptime

    132ms
    |
    1ms
    |
    81ms
  • 45.32.198.254

    The Constant Company, LLC

    AS20473

    Dallas

    32.7831, -96.8067

    100% uptime

    133ms
    |
    0ms
    |
    82ms
  • 45.32.200.243

    The Constant Company, LLC

    AS20473

    Dallas

    32.7831, -96.8067

    100% uptime

    133ms
    |
    1ms
    |
    93ms
  • 45.32.204.214

    The Constant Company, LLC

    AS20473

    Dallas

    32.7831, -96.8067

    99% uptime

    133ms
    |
    1ms
    |
    85ms
  • 45.32.207.139

    The Constant Company, LLC

    AS20473

    Dallas

    32.7831, -96.8067

    99% uptime

    133ms
    |
    1ms
    |
    92ms
  • 45.76.56.108

    The Constant Company, LLC

    AS20473

    Dallas

    32.7831, -96.8067

    100% uptime

    133ms
    |
    0ms
    |
    84ms
  • 45.76.57.134

    The Constant Company, LLC

    AS20473

    Dallas

    32.7831, -96.8067

    99% uptime

    133ms
    |
    1ms
    |
    86ms
  • 45.76.235.24

    The Constant Company, LLC

    AS20473

    Dallas

    32.7831, -96.8067

    99% uptime

    132ms
    |
    0ms
    |
    85ms
  • 45.136.150.78

    Enzu Inc

    AS18978

    Dallas

    32.7831, -96.8067

    100% uptime

    134ms
    |
    0ms
    |
    201ms
  • 45.136.150.79

    Enzu Inc

    AS18978

    Dallas

    32.7831, -96.8067

    94% uptime

    134ms
    |
    1ms
    |
    179ms
  • 50.149.203.74

    Comcast Cable Communications, LLC

    AS7922

    Dallas

    32.7831, -96.8067

    100% uptime

    149ms
    |
    3ms
    |
    178ms
  • 52.116.20.88

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    134ms
    |
    2ms
    |
    153ms
  • 52.116.172.228

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    135ms
    |
    0ms
    |
    160ms
  • 52.116.172.240

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    99% uptime

    135ms
    |
    2ms
    |
    151ms
  • 52.117.35.52

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    132ms
    |
    1ms
    |
    158ms
  • 52.118.6.131

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    99% uptime

    133ms
    |
    2ms
    |
    90ms
  • 52.118.6.132

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    132ms
    |
    1ms
    |
    90ms
  • 52.118.6.133

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    98% uptime

    134ms
    |
    1ms
    |
    93ms
  • 52.118.37.195

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    133ms
    |
    2ms
    |
    152ms
  • 52.118.37.197

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    136ms
    |
    0ms
    |
    168ms
  • 52.118.37.200

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    135ms
    |
    0ms
    |
    159ms
  • 52.118.37.203

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    133ms
    |
    2ms
    |
    157ms
  • 52.118.37.204

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    134ms
    |
    1ms
    |
    160ms
  • 52.118.37.212

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    135ms
    |
    0ms
    |
    178ms
  • 52.118.37.213

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    133ms
    |
    2ms
    |
    159ms
  • 52.118.37.218

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    133ms
    |
    1ms
    |
    168ms
  • 52.118.40.228

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    99% uptime

    133ms
    |
    2ms
    |
    94ms
  • 52.118.40.229

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    98% uptime

    133ms
    |
    2ms
    |
    93ms
  • 52.118.40.230

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    137ms
    |
    1ms
    |
    80ms
  • 52.118.40.234

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    133ms
    |
    1ms
    |
    84ms
  • 52.118.43.164

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    134ms
    |
    2ms
    |
    91ms
  • 52.118.43.165

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    98% uptime

    134ms
    |
    3ms
    |
    88ms
  • 52.118.43.166

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    136ms
    |
    2ms
    |
    90ms
  • 52.118.43.168

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    135ms
    |
    0ms
    |
    94ms
  • 52.118.43.170

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    99% uptime

    135ms
    |
    1ms
    |
    79ms
  • 52.118.231.1

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    133ms
    |
    0ms
    |
    168ms
  • 64.18.220.148

    Iland Internet Solutions Corporation

    AS14127

    Dallas

    32.7831, -96.8067

    100% uptime

    115ms
    |
    1ms
    |
    130ms
  • 64.197.203.223

    Windstream Communications LLC

    AS7029

    Dallas

    32.7831, -96.8067

    100% uptime

    131ms
    |
    2ms
    |
    120ms
  • 65.61.144.234

    Rackspace Hosting

    AS33070

    Dallas

    32.7831, -96.8067

    100% uptime

    115ms
    |
    1ms
    |
    156ms
  • 65.61.144.246

    Rackspace Hosting

    AS33070

    Dallas

    32.7831, -96.8067

    100% uptime

    115ms
    |
    2ms
    |
    148ms
  • 65.99.225.87

    TierPoint, LLC

    AS17378

    Dallas

    32.7831, -96.8067

    100% uptime

    115ms
    |
    1ms
    |
    162ms
  • 66.81.135.34

    TPx Communications

    AS11915

    Dallas

    32.7831, -96.8067

    99% uptime

    126ms
    |
    1ms
    |
    139ms
  • 66.128.60.245

    Global IP Networks INC

    AS7819

    Dallas

    32.7831, -96.8067

    100% uptime

    136ms
    |
    0ms
    |
    154ms
  • 67.222.156.250

    DFW Datacenter

    AS30277

    Dallas

    32.7831, -96.8067

    99% uptime

    133ms
    |
    2ms
    |
    284ms
  • 67.228.116.162

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    94% uptime

    133ms
    |
    0ms
    |
    169ms
  • 67.228.116.163

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    99% uptime

    133ms
    |
    2ms
    |
    158ms
  • 67.228.116.164

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    136ms
    |
    2ms
    |
    160ms
  • 67.228.116.169

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    134ms
    |
    1ms
    |
    158ms
  • 67.228.116.171

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    136ms
    |
    0ms
    |
    158ms
  • 67.228.116.174

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    134ms
    |
    2ms
    |
    158ms
  • 67.228.202.194

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    134ms
    |
    0ms
    |
    159ms
  • 67.228.202.206

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    133ms
    |
    2ms
    |
    157ms
  • 67.228.202.210

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    135ms
    |
    0ms
    |
    160ms
  • 67.228.202.212

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    134ms
    |
    0ms
    |
    160ms
  • 67.228.202.215

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    134ms
    |
    0ms
    |
    161ms
  • 67.228.221.102

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    99% uptime

    136ms
    |
    2ms
    |
    11ms
  • 68.171.196.67

    Crown Castle Fiber LLC

    AS46887

    Dallas

    32.7831, -96.8067

    100% uptime

    131ms
    |
    4ms
    |
    106ms
  • 70.115.245.48

    Charter Communications Inc

    AS11427

    Dallas

    32.7831, -96.8067

    99% uptime

    140ms
    |
    2ms
    |
    226ms
  • 70.124.188.81

    Charter Communications Inc

    AS11427

    Dallas

    32.7831, -96.8067

    94% uptime

    147ms
    |
    1ms
    |
    240ms
  • 72.131.209.214

    Charter Communications Inc

    AS11427

    Dallas

    32.7831, -96.8067

    100% uptime

    140ms
    |
    1ms
    |
    224ms
  • 72.249.144.151

    TekTonic

    AS55045

    Dallas

    32.7831, -96.8067

    100% uptime

    115ms
    |
    1ms
    |
    90ms
  • 75.126.251.3

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    134ms
    |
    1ms
    |
    156ms
  • 75.126.251.5

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    135ms
    |
    2ms
    |
    160ms
  • 75.126.251.6

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    99% uptime

    135ms
    |
    1ms
    |
    159ms
  • 75.126.251.7

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    135ms
    |
    1ms
    |
    158ms
  • 75.126.251.8

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    133ms
    |
    1ms
    |
    158ms
  • 75.126.251.9

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    134ms
    |
    1ms
    |
    200ms
  • 75.126.251.10

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    137ms
    |
    0ms
    |
    157ms
  • 75.126.251.11

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    133ms
    |
    2ms
    |
    158ms
  • 75.126.251.13

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    135ms
    |
    1ms
    |
    157ms
  • 75.126.251.14

    IBM Cloud

    AS36351

    Dallas

    32.7831, -96.8067

    100% uptime

    133ms
    |
    0ms
    |
    164ms
  • 76.164.199.92

    AME Hosting LLC

    AS399244

    Dallas

    32.7831, -96.8067

    100% uptime

    122ms
    |
    3ms
    |
    32ms
  • 98.96.193.186

    Zenlayer Inc

    AS21859

    Dallas

    32.7831, -96.8067

    98% uptime

    127ms
    |
    2ms
    |
    87ms
  • 104.156.237.131

    The Constant Company, LLC

    AS20473

    Dallas

    32.7831, -96.8067

    100% uptime

    133ms
    |
    1ms
    |
    90ms
  • 104.156.237.184

    The Constant Company, LLC

    AS20473

    Dallas

    32.7831, -96.8067

    98% uptime

    133ms
    |
    0ms
    |
    93ms
  • 104.225.218.32

    HIVELOCITY, Inc.

    AS29802

    Dallas

    32.7831, -96.8067

    100% uptime

    131ms
    |
    0ms
    |
    56ms
  • 104.225.220.141

    HIVELOCITY, Inc.

    AS29802

    Dallas

    32.7831, -96.8067

    100% uptime

    134ms
    |
    9ms
    |
    66ms
  • 104.238.144.219

    The Constant Company, LLC

    AS20473

    Dallas

    32.7831, -96.8067

    100% uptime

    133ms
    |
    1ms
    |
    150ms
  • 104.238.229.4

    Gameserverkings

    AS26863

    Dallas

    32.7831, -96.8067

    99% uptime

    123ms
    |
    2ms
    |
    77ms