DNS Servers

United States of America 4393 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

  • 68.98.46.36

    Cox Communications Inc.

    AS22773

    Phoenix

    33.4484, -112.0740

    94% uptime

    162ms
    |
    1ms
    |
    60ms
  • 68.168.96.63

    CyberCloud Professionals LLC

    AS18501

    Phoenix

    33.4484, -112.0740

    100% uptime

    138ms
    |
    1ms
    |
    216ms
  • 68.178.204.88

    GoDaddy.com, LLC

    AS398101

    Phoenix

    33.4484, -112.0740

    100% uptime

    158ms
    |
    0ms
    |
    266ms
  • 69.64.94.22

    CyberCloud Professionals LLC

    AS18501

    Phoenix

    33.4484, -112.0740

    100% uptime

    142ms
    |
    3ms
    |
    211ms
  • 69.64.94.143

    CyberCloud Professionals LLC

    AS18501

    Phoenix

    33.4484, -112.0740

    100% uptime

    143ms
    |
    3ms
    |
    210ms
  • 70.172.86.246

    Cox Communications Inc.

    AS22773

    Phoenix

    33.4484, -112.0740

    99% uptime

    168ms
    |
    1ms
    |
    124ms
  • 70.176.74.236

    Cox Communications Inc.

    AS22773

    Phoenix

    33.4484, -112.0740

    100% uptime

    161ms
    |
    1ms
    |
    60ms
  • 70.180.24.101

    Cox Communications Inc.

    AS22773

    Phoenix

    33.4484, -112.0740

    99% uptime

    159ms
    |
    1ms
    |
    73ms
  • 70.190.62.50

    Cox Communications Inc.

    AS22773

    Phoenix

    33.4484, -112.0740

    89% uptime

    169ms
    |
    2ms
    |
    83ms
  • 72.167.36.185

    GoDaddy.com, LLC

    AS26496

    Phoenix

    33.4484, -112.0740

    100% uptime

    158ms
    |
    0ms
    |
    267ms
  • 72.167.55.139

    GoDaddy.com, LLC

    AS26496

    Phoenix

    33.4484, -112.0740

    99% uptime

    158ms
    |
    1ms
    |
    260ms
  • 72.194.252.251

    Cox Communications Inc.

    AS22773

    Phoenix

    33.4484, -112.0740

    99% uptime

    168ms
    |
    1ms
    |
    277ms
  • 98.172.66.120

    Cox Communications Inc.

    AS22773

    Phoenix

    33.4484, -112.0740

    99% uptime

    169ms
    |
    2ms
    |
    246ms
  • 98.172.72.82

    Cox Communications Inc.

    AS22773

    Phoenix

    33.4484, -112.0740

    98% uptime

    170ms
    |
    1ms
    |
    104ms
  • 98.175.212.99

    Cox Communications Inc.

    AS22773

    Phoenix

    33.4484, -112.0740

    100% uptime

    160ms
    |
    0ms
    |
    126ms
  • 98.175.212.100

    Cox Communications Inc.

    AS22773

    Phoenix

    33.4484, -112.0740

    100% uptime

    160ms
    |
    1ms
    |
    116ms
  • 98.177.151.234

    Cox Communications Inc.

    AS22773

    Phoenix

    33.4484, -112.0740

    100% uptime

    169ms
    |
    2ms
    |
    79ms
  • 98.179.244.203

    Cox Communications Inc.

    AS22773

    Phoenix

    33.4484, -112.0740

    100% uptime

    168ms
    |
    4ms
    |
    72ms
  • 104.161.34.44

    Input Output Flood LLC

    AS53755

    Phoenix

    33.4484, -112.0740

    98% uptime

    135ms
    |
    7ms
    |
    79ms
  • 104.161.34.45

    Input Output Flood LLC

    AS53755

    Phoenix

    33.4484, -112.0740

    99% uptime

    134ms
    |
    2ms
    |
    85ms
  • 104.161.34.46

    Input Output Flood LLC

    AS53755

    Phoenix

    33.4484, -112.0740

    98% uptime

    134ms
    |
    4ms
    |
    73ms
  • 107.152.45.62

    tzulo, inc.

    AS11878

    Phoenix

    33.4484, -112.0740

    99% uptime

    138ms
    |
    2ms
    |
    178ms
  • 107.152.45.185

    tzulo, inc.

    AS11878

    Phoenix

    33.4484, -112.0740

    100% uptime

    138ms
    |
    1ms
    |
    182ms
  • 107.167.82.124

    Input Output Flood LLC

    AS53755

    Phoenix

    33.4484, -112.0740

    100% uptime

    141ms
    |
    0ms
    |
    160ms
  • 107.178.108.94

    Input Output Flood LLC

    AS53755

    Phoenix

    33.4484, -112.0740

    94% uptime

    142ms
    |
    1ms
    |
    187ms
  • 129.146.17.252

    Oracle Corporation

    AS31898

    Phoenix

    33.4484, -112.0740

    100% uptime

    158ms
    |
    1ms
    |
    50ms
  • 129.146.24.234

    Oracle Corporation

    AS31898

    Phoenix

    33.4484, -112.0740

    100% uptime

    158ms
    |
    2ms
    |
    211ms
  • 129.146.84.248

    Oracle Corporation

    AS31898

    Phoenix

    33.4484, -112.0740

    100% uptime

    158ms
    |
    1ms
    |
    233ms
  • 129.146.123.163

    Oracle Corporation

    AS31898

    Phoenix

    33.4484, -112.0740

    100% uptime

    157ms
    |
    1ms
    |
    237ms
  • 129.146.139.217

    Oracle Corporation

    AS31898

    Phoenix

    33.4484, -112.0740

    100% uptime

    159ms
    |
    0ms
    |
    236ms
  • 129.146.173.129

    Oracle Corporation

    AS31898

    Phoenix

    33.4484, -112.0740

    100% uptime

    158ms
    |
    1ms
    |
    236ms
  • 129.146.203.28

    Oracle Corporation

    AS31898

    Phoenix

    33.4484, -112.0740

    99% uptime

    157ms
    |
    1ms
    |
    236ms
  • 129.153.100.124

    Oracle Corporation

    AS31898

    Phoenix

    33.4484, -112.0740

    100% uptime

    158ms
    |
    1ms
    |
    224ms
  • 132.226.157.212

    Oracle Corporation

    AS31898

    Phoenix

    33.4484, -112.0740

    100% uptime

    158ms
    |
    12ms
    |
    132ms
  • 137.131.7.2

    Oracle Corporation

    AS31898

    Phoenix

    33.4484, -112.0740

    100% uptime

    157ms
    |
    1ms
    |
    54ms
  • 137.131.11.98

    Oracle Corporation

    AS31898

    Phoenix

    33.4484, -112.0740

    100% uptime

    158ms
    |
    1ms
    |
    240ms
  • 137.131.50.50

    Oracle Corporation

    AS31898

    Phoenix

    33.4484, -112.0740

    100% uptime

    156ms
    |
    2ms
    |
    42ms
  • 141.148.163.186

    Oracle Corporation

    AS31898

    Phoenix

    33.4484, -112.0740

    99% uptime

    156ms
    |
    1ms
    |
    220ms
  • 141.148.187.216

    Oracle Corporation

    AS31898

    Phoenix

    33.4484, -112.0740

    100% uptime

    158ms
    |
    1ms
    |
    226ms
  • 144.24.24.42

    Oracle Corporation

    AS31898

    Phoenix

    33.4484, -112.0740

    100% uptime

    156ms
    |
    1ms
    |
    39ms
  • 144.24.34.19

    Oracle Corporation

    AS31898

    Phoenix

    33.4484, -112.0740

    100% uptime

    157ms
    |
    1ms
    |
    220ms
  • 144.24.55.10

    Oracle Corporation

    AS31898

    Phoenix

    33.4484, -112.0740

    100% uptime

    158ms
    |
    0ms
    |
    310ms
  • 149.52.45.86

    SkyQuantum Internet Service

    AS55201

    Phoenix

    33.4484, -112.0740

    94% uptime

    141ms
    |
    0ms
    |
    65ms
  • 153.92.214.188

    Hostinger International Limited

    AS47583

    Phoenix

    33.4484, -112.0740

    100% uptime

    151ms
    |
    1ms
    |
    166ms
  • 160.153.184.45

    GoDaddy.com, LLC

    AS398101

    Phoenix

    33.4484, -112.0740

    100% uptime

    157ms
    |
    7ms
    |
    300ms
  • 160.153.185.118

    GoDaddy.com, LLC

    AS398101

    Phoenix

    33.4484, -112.0740

    94% uptime

    159ms
    |
    1ms
    |
    302ms
  • 160.153.191.8

    GoDaddy.com, LLC

    AS398101

    Phoenix

    33.4484, -112.0740

    100% uptime

    158ms
    |
    1ms
    |
    70ms
  • 161.153.159.201

    Oracle Corporation

    AS31898

    Phoenix

    33.4484, -112.0740

    100% uptime

    153ms
    |
    0ms
    |
    250ms
  • 162.0.225.35

    Namecheap, Inc.

    AS22612

    Phoenix

    33.4484, -112.0740

    98% uptime

    162ms
    |
    2ms
    |
    260ms
  • 162.0.227.22

    Namecheap, Inc.

    AS22612

    Phoenix

    33.4484, -112.0740

    98% uptime

    157ms
    |
    8ms
    |
    213ms
  • 162.213.253.154

    Namecheap, Inc.

    AS22612

    Phoenix

    33.4484, -112.0740

    94% uptime

    162ms
    |
    3ms
    |
    211ms
  • 162.251.161.47

    iCastCenter

    AS53767

    Phoenix

    33.4484, -112.0740

    100% uptime

    155ms
    |
    1ms
    |
    50ms
  • 184.75.177.7

    Krypt Technologies

    AS35908

    Phoenix

    33.4484, -112.0740

    94% uptime

    173ms
    |
    2ms
    |
    265ms
  • 198.91.30.23

    Crucial Web Hosting, Ltd.

    AS32647

    Phoenix

    33.4484, -112.0740

    100% uptime

    132ms
    |
    8ms
    |
    166ms
  • 199.85.209.155

    Namecheap, Inc.

    AS22612

    Phoenix

    33.4484, -112.0740

    100% uptime

    149ms
    |
    3ms
    |
    195ms
  • 199.192.31.58

    Namecheap, Inc.

    AS22612

    Phoenix

    33.4484, -112.0740

    98% uptime

    162ms
    |
    1ms
    |
    266ms
  • 199.193.14.18

    White Sands Hosting

    AS55229

    Phoenix

    33.4484, -112.0740

    100% uptime

    155ms
    |
    0ms
    |
    62ms
  • 209.181.17.196

    CenturyLink Communications, LLC

    AS209

    Phoenix

    33.4484, -112.0740

    100% uptime

    154ms
    |
    0ms
    |
    164ms
  • 162.220.144.24

    Cherryland Services Inc

    AS13904

    Picture Rocks

    32.3459, -111.2462

    100% uptime

    170ms
    |
    4ms
    |
    139ms
  • 162.220.144.87

    Cherryland Services Inc

    AS13904

    Picture Rocks

    32.3459, -111.2462

    99% uptime

    166ms
    |
    46ms
    |
    194ms
  • 162.220.144.124

    Cherryland Services Inc

    AS13904

    Picture Rocks

    32.3459, -111.2462

    99% uptime

    170ms
    |
    4ms
    |
    140ms
  • 162.220.144.228

    Cherryland Services Inc

    AS13904

    Picture Rocks

    32.3459, -111.2462

    99% uptime

    169ms
    |
    8ms
    |
    139ms
  • 162.220.145.101

    Cherryland Services Inc

    AS13904

    Picture Rocks

    32.3459, -111.2462

    100% uptime

    171ms
    |
    89ms
    |
    220ms
  • 162.220.145.163

    Cherryland Services Inc

    AS13904

    Picture Rocks

    32.3459, -111.2462

    99% uptime

    167ms
    |
    40ms
    |
    155ms
  • 162.220.145.167

    Cherryland Services Inc

    AS13904

    Picture Rocks

    32.3459, -111.2462

    100% uptime

    166ms
    |
    9ms
    |
    166ms
  • 50.32.9.35

    Frontier Communications of America, Inc.

    AS5650

    Pikes Creek

    41.3065, -76.0960

    100% uptime

    109ms
    |
    0ms
    |
    40ms
  • 71.121.173.36

    Verizon Business

    AS701

    Pikesville

    39.3743, -76.7225

    100% uptime

    110ms
    |
    1ms
    |
    72ms
  • 71.121.173.38

    Verizon Business

    AS701

    Pikesville

    39.3743, -76.7225

    99% uptime

    104ms
    |
    3ms
    |
    74ms
  • 71.121.173.39

    Verizon Business

    AS701

    Pikesville

    39.3743, -76.7225

    100% uptime

    106ms
    |
    0ms
    |
    70ms
  • 69.176.0.135

    Mikrotec Internet Services

    AS3801

    Pikeville

    37.4793, -82.5188

    100% uptime

    131ms
    |
    1ms
    |
    36ms
  • 8.193.12.33

    Cherryland Services Inc

    AS13904

    Pima

    32.8966, -109.8284

    99% uptime

    159ms
    |
    29ms
    |
    162ms
  • 64.68.245.117

    Cherryland Services Inc

    AS13904

    Pima

    32.8966, -109.8284

    100% uptime

    163ms
    |
    28ms
    |
    156ms
  • 64.68.246.38

    Cherryland Services Inc

    AS13904

    Pima

    32.8966, -109.8284

    98% uptime

    159ms
    |
    18ms
    |
    155ms
  • 172.110.170.118

    Bluespan Wireless, LLC

    AS394581

    Pima

    32.8966, -109.8284

    98% uptime

    165ms
    |
    13ms
    |
    160ms
  • 45.63.15.95

    The Constant Company, LLC

    AS20473

    Piscataway

    40.4993, -74.3990

    100% uptime

    84ms
    |
    2ms
    |
    100ms
  • 45.76.3.250

    The Constant Company, LLC

    AS20473

    Piscataway

    40.4993, -74.3990

    100% uptime

    84ms
    |
    2ms
    |
    102ms
  • 45.76.9.87

    The Constant Company, LLC

    AS20473

    Piscataway

    40.4993, -74.3990

    99% uptime

    84ms
    |
    2ms
    |
    101ms
  • 45.76.11.208

    The Constant Company, LLC

    AS20473

    Piscataway

    40.4993, -74.3990

    100% uptime

    84ms
    |
    2ms
    |
    182ms
  • 45.76.165.223

    The Constant Company, LLC

    AS20473

    Piscataway

    40.4993, -74.3990

    100% uptime

    85ms
    |
    2ms
    |
    67ms
  • 64.176.198.77

    The Constant Company, LLC

    AS20473

    Piscataway

    40.4993, -74.3990

    100% uptime

    84ms
    |
    2ms
    |
    47ms
  • 64.237.48.135

    The Constant Company, LLC

    AS20473

    Piscataway

    40.4993, -74.3990

    98% uptime

    84ms
    |
    2ms
    |
    46ms
  • 66.55.159.15

    The Constant Company, LLC

    AS20473

    Piscataway

    40.4993, -74.3990

    99% uptime

    84ms
    |
    2ms
    |
    46ms
  • 66.135.0.138

    The Constant Company, LLC

    AS20473

    Piscataway

    40.4993, -74.3990

    100% uptime

    85ms
    |
    2ms
    |
    45ms
  • 66.135.10.185

    The Constant Company, LLC

    AS20473

    Piscataway

    40.4993, -74.3990

    100% uptime

    84ms
    |
    2ms
    |
    127ms
  • 66.135.17.234

    The Constant Company, LLC

    AS20473

    Piscataway

    40.4993, -74.3990

    100% uptime

    84ms
    |
    2ms
    |
    48ms
  • 66.135.18.197

    The Constant Company, LLC

    AS20473

    Piscataway

    40.4993, -74.3990

    100% uptime

    87ms
    |
    2ms
    |
    160ms
  • 66.135.20.137

    The Constant Company, LLC

    AS20473

    Piscataway

    40.4993, -74.3990

    94% uptime

    85ms
    |
    2ms
    |
    54ms
  • 66.135.24.130

    The Constant Company, LLC

    AS20473

    Piscataway

    40.4993, -74.3990

    100% uptime

    85ms
    |
    2ms
    |
    40ms
  • 66.135.27.9

    The Constant Company, LLC

    AS20473

    Piscataway

    40.4993, -74.3990

    100% uptime

    84ms
    |
    2ms
    |
    40ms
  • 66.135.30.71

    The Constant Company, LLC

    AS20473

    Piscataway

    40.4993, -74.3990

    94% uptime

    85ms
    |
    2ms
    |
    36ms
  • 104.156.224.58

    The Constant Company, LLC

    AS20473

    Piscataway

    40.4993, -74.3990

    100% uptime

    85ms
    |
    2ms
    |
    45ms
  • 104.156.251.76

    The Constant Company, LLC

    AS20473

    Piscataway

    40.4993, -74.3990

    100% uptime

    85ms
    |
    2ms
    |
    23ms
  • 104.243.43.15

    ReliableSite.Net LLC

    AS23470

    Piscataway

    40.4993, -74.3990

    100% uptime

    91ms
    |
    0ms
    |
    134ms
  • 108.61.54.119

    The Constant Company, LLC

    AS20473

    Piscataway

    40.4993, -74.3990

    100% uptime

    85ms
    |
    2ms
    |
    102ms
  • 108.61.158.186

    The Constant Company, LLC

    AS20473

    Piscataway

    40.4993, -74.3990

    99% uptime

    85ms
    |
    2ms
    |
    105ms
  • 108.61.191.166

    The Constant Company, LLC

    AS20473

    Piscataway

    40.4993, -74.3990

    100% uptime

    85ms
    |
    2ms
    |
    46ms
  • 140.82.9.169

    The Constant Company, LLC

    AS20473

    Piscataway

    40.4993, -74.3990

    100% uptime

    87ms
    |
    2ms
    |
    42ms
  • 149.28.45.57

    The Constant Company, LLC

    AS20473

    Piscataway

    40.4993, -74.3990

    100% uptime

    84ms
    |
    2ms
    |
    45ms
  • 149.28.49.160

    The Constant Company, LLC

    AS20473

    Piscataway

    40.4993, -74.3990

    100% uptime

    85ms
    |
    2ms
    |
    45ms
  • 149.28.61.242

    The Constant Company, LLC

    AS20473

    Piscataway

    40.4993, -74.3990

    100% uptime

    84ms
    |
    2ms
    |
    99ms