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

  • 143.198.245.140

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    99% uptime

    151ms
    |
    2ms
    |
    179ms
  • 143.244.208.229

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    154ms
    |
    1ms
    |
    44ms
  • 144.126.213.236

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    151ms
    |
    2ms
    |
    66ms
  • 144.126.218.250

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    149ms
    |
    2ms
    |
    70ms
  • 144.202.96.8

    The Constant Company, LLC

    AS20473

    Santa Clara

    37.3541, -121.9552

    94% uptime

    173ms
    |
    2ms
    |
    75ms
  • 144.202.101.133

    The Constant Company, LLC

    AS20473

    Santa Clara

    37.3541, -121.9552

    100% uptime

    149ms
    |
    9ms
    |
    161ms
  • 144.202.103.138

    The Constant Company, LLC

    AS20473

    Santa Clara

    37.3541, -121.9552

    99% uptime

    149ms
    |
    10ms
    |
    60ms
  • 144.202.103.157

    The Constant Company, LLC

    AS20473

    Santa Clara

    37.3541, -121.9552

    100% uptime

    149ms
    |
    9ms
    |
    161ms
  • 144.202.108.145

    The Constant Company, LLC

    AS20473

    Santa Clara

    37.3541, -121.9552

    100% uptime

    149ms
    |
    10ms
    |
    68ms
  • 144.202.110.227

    The Constant Company, LLC

    AS20473

    Santa Clara

    37.3541, -121.9552

    99% uptime

    149ms
    |
    10ms
    |
    61ms
  • 146.190.58.124

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    149ms
    |
    2ms
    |
    72ms
  • 146.190.117.85

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    148ms
    |
    2ms
    |
    56ms
  • 146.190.127.140

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    154ms
    |
    17ms
    |
    57ms
  • 146.190.138.47

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    153ms
    |
    2ms
    |
    55ms
  • 146.190.146.75

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    151ms
    |
    10ms
    |
    68ms
  • 146.190.155.217

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    150ms
    |
    1ms
    |
    106ms
  • 146.190.166.16

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    99% uptime

    150ms
    |
    2ms
    |
    68ms
  • 146.190.174.224

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    154ms
    |
    1ms
    |
    166ms
  • 147.182.194.131

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    149ms
    |
    9ms
    |
    70ms
  • 147.182.204.7

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    151ms
    |
    13ms
    |
    70ms
  • 147.182.204.241

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    152ms
    |
    1ms
    |
    196ms
  • 147.182.228.3

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    154ms
    |
    2ms
    |
    20ms
  • 147.182.242.105

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    149ms
    |
    9ms
    |
    52ms
  • 147.182.249.110

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    151ms
    |
    15ms
    |
    56ms
  • 147.182.255.106

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    151ms
    |
    12ms
    |
    56ms
  • 149.28.205.176

    The Constant Company, LLC

    AS20473

    Santa Clara

    37.3541, -121.9552

    100% uptime

    172ms
    |
    2ms
    |
    180ms
  • 149.28.214.90

    The Constant Company, LLC

    AS20473

    Santa Clara

    37.3541, -121.9552

    100% uptime

    173ms
    |
    2ms
    |
    34ms
  • 157.230.172.4

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    99% uptime

    148ms
    |
    2ms
    |
    68ms
  • 157.245.176.42

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    149ms
    |
    2ms
    |
    60ms
  • 157.245.185.30

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    148ms
    |
    2ms
    |
    72ms
  • 157.245.187.17

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    148ms
    |
    8ms
    |
    110ms
  • 157.245.229.79

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    99% uptime

    151ms
    |
    3ms
    |
    66ms
  • 159.65.72.168

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    150ms
    |
    1ms
    |
    70ms
  • 159.89.128.183

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    150ms
    |
    2ms
    |
    59ms
  • 159.89.155.245

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    99% uptime

    149ms
    |
    2ms
    |
    72ms
  • 159.89.159.112

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    153ms
    |
    1ms
    |
    63ms
  • 159.223.194.182

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    149ms
    |
    2ms
    |
    83ms
  • 161.35.230.127

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    150ms
    |
    3ms
    |
    160ms
  • 161.35.236.242

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    148ms
    |
    3ms
    |
    70ms
  • 161.35.240.251

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    154ms
    |
    1ms
    |
    32ms
  • 164.90.144.44

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    149ms
    |
    2ms
    |
    72ms
  • 164.90.145.66

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    153ms
    |
    2ms
    |
    64ms
  • 164.90.155.235

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    149ms
    |
    2ms
    |
    60ms
  • 164.92.65.137

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    151ms
    |
    1ms
    |
    78ms
  • 164.92.71.42

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    99% uptime

    148ms
    |
    2ms
    |
    63ms
  • 164.92.72.58

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    150ms
    |
    1ms
    |
    101ms
  • 164.92.72.185

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    151ms
    |
    2ms
    |
    69ms
  • 164.92.73.89

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    151ms
    |
    2ms
    |
    64ms
  • 164.92.75.176

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    151ms
    |
    2ms
    |
    32ms
  • 164.92.83.181

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    151ms
    |
    14ms
    |
    65ms
  • 164.92.90.43

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    151ms
    |
    1ms
    |
    22ms
  • 164.92.110.5

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    154ms
    |
    2ms
    |
    67ms
  • 165.227.2.237

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    151ms
    |
    2ms
    |
    72ms
  • 165.227.16.10

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    99% uptime

    151ms
    |
    2ms
    |
    58ms
  • 165.227.16.68

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    149ms
    |
    2ms
    |
    68ms
  • 165.227.49.171

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    150ms
    |
    1ms
    |
    65ms
  • 165.227.60.245

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    99% uptime

    152ms
    |
    2ms
    |
    69ms
  • 165.227.62.250

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    154ms
    |
    1ms
    |
    59ms
  • 165.232.149.8

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    150ms
    |
    2ms
    |
    71ms
  • 165.232.157.150

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    149ms
    |
    2ms
    |
    69ms
  • 167.99.96.113

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    154ms
    |
    3ms
    |
    64ms
  • 167.99.96.149

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    98% uptime

    150ms
    |
    2ms
    |
    68ms
  • 167.99.111.207

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    152ms
    |
    1ms
    |
    73ms
  • 167.99.111.229

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    148ms
    |
    5ms
    |
    70ms
  • 167.99.171.185

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    99% uptime

    151ms
    |
    2ms
    |
    62ms
  • 178.128.1.21

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    99% uptime

    150ms
    |
    12ms
    |
    162ms
  • 178.128.7.103

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    98% uptime

    150ms
    |
    1ms
    |
    70ms
  • 178.128.78.246

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    151ms
    |
    2ms
    |
    70ms
  • 178.128.79.75

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    150ms
    |
    2ms
    |
    70ms
  • 192.3.127.36

    HostPapa

    AS36352

    Santa Clara

    37.3541, -121.9552

    100% uptime

    159ms
    |
    0ms
    |
    124ms
  • 192.210.136.184

    HostPapa

    AS36352

    Santa Clara

    37.3541, -121.9552

    94% uptime

    161ms
    |
    0ms
    |
    237ms
  • 206.189.160.30

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    94% uptime

    153ms
    |
    2ms
    |
    61ms
  • 206.189.165.44

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    151ms
    |
    2ms
    |
    58ms
  • 206.189.168.84

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3483, -121.9844

    99% uptime

    152ms
    |
    2ms
    |
    168ms
  • 209.38.137.119

    DigitalOcean, LLC

    AS14061

    Santa Clara

    37.3541, -121.9552

    100% uptime

    151ms
    |
    1ms
    |
    91ms
  • 216.98.11.53

    Atlantic.net, Inc.

    AS6364

    Santa Clara

    37.3541, -121.9552

    98% uptime

    156ms
    |
    1ms
    |
    165ms
  • 76.50.19.13

    Charter Communications Inc

    AS20001

    Santa Clarita

    34.3917, -118.5426

    100% uptime

    178ms
    |
    4ms
    |
    210ms
  • 198.202.199.233

    Cruzio

    AS11994

    Santa Cruz

    36.9741, -122.0308

    94% uptime

    153ms
    |
    0ms
    |
    204ms
  • 47.176.176.66

    Frontier Communications of America, Inc.

    AS5650

    Santa Fe Springs

    33.9472, -118.0854

    100% uptime

    165ms
    |
    2ms
    |
    108ms
  • 50.175.206.250

    Comcast Cable Communications, LLC

    AS7922

    Santa Maria

    34.9530, -120.4357

    100% uptime

    172ms
    |
    0ms
    |
    229ms
  • 45.49.228.81

    Charter Communications Inc

    AS20001

    Santa Monica

    34.0195, -118.4914

    100% uptime

    178ms
    |
    5ms
    |
    55ms
  • 67.207.162.67

    Colocation America Corporation

    AS21769

    Santa Monica

    34.0901, -118.4065

    100% uptime

    149ms
    |
    53ms
    |
    51ms
  • 71.202.202.18

    Comcast Cable Communications, LLC

    AS7922

    Santa Rosa

    38.4405, -122.7144

    98% uptime

    175ms
    |
    2ms
    |
    280ms
  • 72.1.48.132

    NTINet Inc.

    AS40845

    Santee

    33.4752, -80.4865

    100% uptime

    133ms
    |
    0ms
    |
    292ms
  • 24.97.208.243

    Charter Communications Inc

    AS11351

    Saratoga Springs

    43.0831, -73.7846

    100% uptime

    101ms
    |
    1ms
    |
    106ms
  • 63.133.238.24

    Planet Networks

    AS3580

    Saugerties

    42.0776, -73.9529

    100% uptime

    97ms
    |
    1ms
    |
    76ms
  • 209.221.63.11

    The Seimitsu Corporation

    AS62844

    Savannah

    32.0835, -81.0998

    100% uptime

    106ms
    |
    8ms
    |
    172ms
  • 198.15.3.49

    Scio Mutual Telephone Association

    AS53823

    Scio

    44.7048, -122.8493

    100% uptime

    176ms
    |
    2ms
    |
    238ms
  • 208.77.56.38

    Saddleback Communications

    AS40459

    Scottsdale

    33.5092, -111.8990

    99% uptime

    157ms
    |
    3ms
    |
    90ms
  • 12.17.149.117

    AT&T Enterprises, LLC

    AS7018

    Seabrook Island

    32.5771, -80.1706

    98% uptime

    131ms
    |
    2ms
    |
    198ms
  • 73.180.206.216

    Comcast Cable Communications, LLC

    AS7922

    Seaford

    38.6412, -75.6110

    98% uptime

    121ms
    |
    2ms
    |
    207ms
  • 8.53.165.77

    Level 3 Parent, LLC

    AS3356

    Seattle

    47.6062, -122.3321

    100% uptime

    165ms
    |
    0ms
    |
    88ms
  • 44.32.232.53

    Unify Media Ltd

    AS33039

    Seattle

    47.6062, -122.3321

    100% uptime

    106ms
    |
    0ms
    |
    122ms
  • 45.11.0.22

    Wowrack.com

    AS32875

    Seattle

    47.6062, -122.3321

    99% uptime

    153ms
    |
    4ms
    |
    76ms
  • 50.204.124.1

    Comcast Cable Communications, LLC

    AS7922

    Seattle

    47.6062, -122.3321

    100% uptime

    171ms
    |
    1ms
    |
    18ms
  • 63.233.103.82

    CenturyLink Communications, LLC

    AS209

    Seattle

    47.6062, -122.3321

    100% uptime

    165ms
    |
    8ms
    |
    57ms
  • 64.16.22.174

    Allstream Business US, LLC

    AS7385

    Seattle

    47.6062, -122.3321

    100% uptime

    141ms
    |
    1ms
    |
    180ms
  • 64.16.22.234

    Allstream Business US, LLC

    AS7385

    Seattle

    47.6062, -122.3321

    99% uptime

    141ms
    |
    1ms
    |
    181ms
  • 64.62.54.42

    Allstream Business US, LLC

    AS7385

    Seattle

    47.6062, -122.3321

    100% uptime

    142ms
    |
    0ms
    |
    184ms
  • 64.120.123.48

    Leaseweb USA, Inc.

    AS396190

    Seattle

    47.6062, -122.3321

    100% uptime

    163ms
    |
    0ms
    |
    112ms