DNS Servers

United States of America 4329 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

  • 5.161.69.93

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    100% uptime

    103ms
    |
    0ms
    |
    125ms
  • 5.161.71.5

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    100% uptime

    103ms
    |
    0ms
    |
    132ms
  • 5.161.72.64

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    99% uptime

    101ms
    |
    6ms
    |
    134ms
  • 5.161.77.87

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    99% uptime

    103ms
    |
    7ms
    |
    127ms
  • 5.161.77.236

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    99% uptime

    101ms
    |
    0ms
    |
    134ms
  • 5.161.81.124

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    0ms
    |
    54ms
  • 5.161.85.251

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    1ms
    |
    134ms
  • 5.161.90.166

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    6ms
    |
    132ms
  • 5.161.93.221

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    100% uptime

    103ms
    |
    8ms
    |
    126ms
  • 5.161.103.130

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    98% uptime

    101ms
    |
    0ms
    |
    128ms
  • 5.161.110.184

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    100% uptime

    103ms
    |
    5ms
    |
    114ms
  • 5.161.114.162

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    100% uptime

    103ms
    |
    2ms
    |
    130ms
  • 5.161.123.169

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    99% uptime

    101ms
    |
    8ms
    |
    128ms
  • 5.161.145.111

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    0ms
    |
    35ms
  • 5.161.176.146

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    100% uptime

    103ms
    |
    13ms
    |
    130ms
  • 5.161.180.168

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    99% uptime

    103ms
    |
    9ms
    |
    126ms
  • 5.161.181.129

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    100% uptime

    103ms
    |
    10ms
    |
    113ms
  • 5.161.184.138

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    0ms
    |
    128ms
  • 5.161.187.223

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    100% uptime

    103ms
    |
    8ms
    |
    125ms
  • 5.161.190.86

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    6ms
    |
    129ms
  • 5.161.190.141

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    100% uptime

    103ms
    |
    8ms
    |
    127ms
  • 5.161.203.48

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    99% uptime

    103ms
    |
    6ms
    |
    127ms
  • 5.161.204.207

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    9ms
    |
    133ms
  • 5.161.206.36

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    100% uptime

    103ms
    |
    9ms
    |
    127ms
  • 5.161.206.248

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    6ms
    |
    134ms
  • 5.161.214.4

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    0ms
    |
    70ms
  • 5.161.217.6

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    100% uptime

    103ms
    |
    6ms
    |
    112ms
  • 5.161.218.196

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    100% uptime

    103ms
    |
    10ms
    |
    132ms
  • 5.161.222.206

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    10ms
    |
    23ms
  • 5.161.226.107

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    8ms
    |
    135ms
  • 5.161.240.215

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    96% uptime

    101ms
    |
    0ms
    |
    133ms
  • 5.161.244.92

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    100% uptime

    103ms
    |
    13ms
    |
    125ms
  • 5.161.249.72

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    100% uptime

    103ms
    |
    0ms
    |
    60ms
  • 5.161.251.17

    Hetzner Online GmbH

    AS213230

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    0ms
    |
    131ms
  • 38.91.47.117

    Cogent Communications, LLC

    AS174

    Ashburn

    39.0437, -77.4875

    99% uptime

    108ms
    |
    1ms
    |
    128ms
  • 38.120.64.26

    Cogent Communications, LLC

    AS174

    Ashburn

    39.0437, -77.4875

    100% uptime

    108ms
    |
    0ms
    |
    130ms
  • 40.131.66.178

    Windstream Communications LLC

    AS7029

    Ashburn

    39.0437, -77.4875

    100% uptime

    94ms
    |
    2ms
    |
    127ms
  • 43.130.82.35

    Tencent Building, Kejizhongyi Avenue

    AS132203

    Ashburn

    39.0437, -77.4875

    100% uptime

    97ms
    |
    1ms
    |
    130ms
  • 43.130.82.38

    Tencent Building, Kejizhongyi Avenue

    AS132203

    Ashburn

    39.0437, -77.4875

    100% uptime

    100ms
    |
    1ms
    |
    128ms
  • 43.130.82.43

    Tencent Building, Kejizhongyi Avenue

    AS132203

    Ashburn

    39.0437, -77.4875

    98% uptime

    100ms
    |
    2ms
    |
    124ms
  • 43.130.82.46

    Tencent Building, Kejizhongyi Avenue

    AS132203

    Ashburn

    39.0437, -77.4875

    98% uptime

    102ms
    |
    2ms
    |
    124ms
  • 45.153.127.87

    M247 Europe SRL

    AS9009

    Ashburn

    39.0437, -77.4875

    98% uptime

    31ms
    |
    3ms
    |
    39ms
  • 50.201.16.30

    Comcast Cable Communications, LLC

    AS7922

    Ashburn

    39.0437, -77.4875

    98% uptime

    108ms
    |
    10ms
    |
    34ms
  • 52.117.69.99

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    100ms
    |
    1ms
    |
    17ms
  • 52.117.69.100

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    1ms
    |
    14ms
  • 52.117.69.102

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    1ms
    |
    14ms
  • 52.117.69.105

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    100ms
    |
    1ms
    |
    18ms
  • 52.117.69.106

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    100ms
    |
    1ms
    |
    20ms
  • 54.145.159.174

    Amazon.com, Inc.

    AS14618

    Ashburn

    39.0437, -77.4875

    100% uptime

    109ms
    |
    3ms
    |
    71ms
  • 70.106.253.236

    Verizon Business

    AS701

    Ashburn

    39.0437, -77.4875

    100% uptime

    111ms
    |
    2ms
    |
    138ms
  • 78.108.218.225

    SPARKED HOST LLC

    AS397032

    Ashburn

    39.0437, -77.4875

    100% uptime

    91ms
    |
    1ms
    |
    102ms
  • 104.247.205.69

    QuickPacket, LLC

    AS46261

    Ashburn

    39.0437, -77.4875

    99% uptime

    105ms
    |
    1ms
    |
    121ms
  • 128.14.194.3

    Zenlayer Inc

    AS21859

    Ashburn

    39.0437, -77.4875

    100% uptime

    109ms
    |
    0ms
    |
    94ms
  • 128.14.194.6

    Zenlayer Inc

    AS21859

    Ashburn

    39.0437, -77.4875

    99% uptime

    109ms
    |
    4ms
    |
    98ms
  • 129.80.65.64

    Oracle Corporation

    AS31898

    Ashburn

    39.0437, -77.4875

    100% uptime

    110ms
    |
    0ms
    |
    128ms
  • 129.80.236.167

    Oracle Corporation

    AS31898

    Ashburn

    39.0437, -77.4875

    100% uptime

    107ms
    |
    5ms
    |
    105ms
  • 129.158.217.108

    Oracle Corporation

    AS31898

    Ashburn

    39.0437, -77.4875

    99% uptime

    109ms
    |
    0ms
    |
    117ms
  • 129.213.61.192

    Oracle Corporation

    AS31898

    Ashburn

    39.0437, -77.4875

    100% uptime

    107ms
    |
    3ms
    |
    18ms
  • 141.148.20.77

    Oracle Corporation

    AS31898

    Ashburn

    39.0437, -77.4875

    100% uptime

    106ms
    |
    75ms
    |
    134ms
  • 143.105.148.138

    Space Exploration Technologies Corporation

    AS14593

    Ashburn

    39.0437, -77.4875

    100% uptime

    127ms
    |
    6ms
    |
    82ms
  • 150.136.61.69

    Oracle Corporation

    AS31898

    Ashburn

    39.0437, -77.4875

    98% uptime

    109ms
    |
    0ms
    |
    6ms
  • 169.47.16.118

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    99% uptime

    100ms
    |
    1ms
    |
    28ms
  • 169.47.146.35

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    100ms
    |
    1ms
    |
    14ms
  • 169.47.146.36

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    1ms
    |
    26ms
  • 169.47.146.40

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    1ms
    |
    36ms
  • 169.47.146.43

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    1ms
    |
    24ms
  • 169.47.157.75

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    100ms
    |
    1ms
    |
    18ms
  • 169.55.72.18

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    96% uptime

    101ms
    |
    1ms
    |
    15ms
  • 169.55.72.19

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    1ms
    |
    11ms
  • 169.55.72.20

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    100ms
    |
    1ms
    |
    30ms
  • 169.55.72.24

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    100ms
    |
    1ms
    |
    16ms
  • 169.55.72.82

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    100ms
    |
    13ms
    |
    23ms
  • 169.55.77.99

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    96% uptime

    101ms
    |
    1ms
    |
    18ms
  • 169.55.79.83

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    1ms
    |
    10ms
  • 169.55.79.86

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    99% uptime

    101ms
    |
    1ms
    |
    18ms
  • 169.55.79.90

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    1ms
    |
    24ms
  • 169.55.79.93

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    99% uptime

    100ms
    |
    1ms
    |
    22ms
  • 169.55.97.35

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    98% uptime

    101ms
    |
    1ms
    |
    16ms
  • 169.55.102.18

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    1ms
    |
    17ms
  • 169.55.102.20

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    1ms
    |
    18ms
  • 169.55.102.22

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    98% uptime

    100ms
    |
    1ms
    |
    26ms
  • 169.55.102.30

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    1ms
    |
    24ms
  • 169.55.102.248

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    100ms
    |
    1ms
    |
    23ms
  • 169.55.107.213

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    99% uptime

    100ms
    |
    1ms
    |
    13ms
  • 169.55.107.217

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    96% uptime

    100ms
    |
    1ms
    |
    18ms
  • 169.55.114.213

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    96% uptime

    100ms
    |
    1ms
    |
    13ms
  • 169.55.114.216

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    99% uptime

    100ms
    |
    1ms
    |
    28ms
  • 169.55.125.114

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    98% uptime

    100ms
    |
    1ms
    |
    23ms
  • 169.55.125.117

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    100ms
    |
    1ms
    |
    16ms
  • 169.55.126.146

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    98% uptime

    101ms
    |
    1ms
    |
    17ms
  • 169.60.78.38

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    1ms
    |
    144ms
  • 169.60.78.43

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    99% uptime

    100ms
    |
    1ms
    |
    160ms
  • 169.60.78.45

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    1ms
    |
    173ms
  • 169.61.71.6

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    1ms
    |
    197ms
  • 169.61.71.7

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    100ms
    |
    1ms
    |
    230ms
  • 169.61.71.9

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    1ms
    |
    210ms
  • 169.61.71.11

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    1ms
    |
    229ms
  • 169.61.71.13

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    100ms
    |
    1ms
    |
    128ms
  • 169.61.71.18

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    101ms
    |
    1ms
    |
    182ms
  • 169.61.71.20

    IBM Cloud

    AS36351

    Ashburn

    39.0437, -77.4875

    100% uptime

    100ms
    |
    1ms
    |
    251ms