DNS Servers

United States of America 4306 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

  • 149.28.64.176

    The Constant Company, LLC

    AS20473

    Los Angeles

    34.0522, -118.2437

    100% uptime

    160ms
    |
    3ms
    |
    82ms
  • 149.28.65.52

    The Constant Company, LLC

    AS20473

    Los Angeles

    34.0522, -118.2437

    98% uptime

    166ms
    |
    9ms
    |
    173ms
  • 149.28.78.84

    The Constant Company, LLC

    AS20473

    Los Angeles

    34.0522, -118.2437

    99% uptime

    163ms
    |
    3ms
    |
    72ms
  • 149.28.95.74

    The Constant Company, LLC

    AS20473

    Los Angeles

    34.0522, -118.2437

    100% uptime

    162ms
    |
    5ms
    |
    180ms
  • 149.248.2.23

    The Constant Company, LLC

    AS20473

    Los Angeles

    34.0522, -118.2437

    99% uptime

    169ms
    |
    7ms
    |
    78ms
  • 149.248.4.171

    The Constant Company, LLC

    AS20473

    Los Angeles

    34.0522, -118.2437

    99% uptime

    167ms
    |
    7ms
    |
    73ms
  • 149.248.10.156

    The Constant Company, LLC

    AS20473

    Los Angeles

    34.0522, -118.2437

    100% uptime

    166ms
    |
    5ms
    |
    64ms
  • 149.248.19.115

    The Constant Company, LLC

    AS20473

    Los Angeles

    34.0522, -118.2437

    100% uptime

    166ms
    |
    5ms
    |
    77ms
  • 154.19.242.13

    FASTNET DATA INC

    AS8796

    Los Angeles

    34.0522, -118.2437

    100% uptime

    168ms
    |
    5ms
    |
    46ms
  • 154.44.2.158

    Cogent Communications, LLC

    AS174

    Los Angeles

    34.0522, -118.2437

    98% uptime

    163ms
    |
    21ms
    |
    169ms
  • 155.117.18.123

    BAGE CLOUD LLC

    AS63150

    Los Angeles

    34.0522, -118.2437

    100% uptime

    144ms
    |
    8ms
    |
    59ms
  • 155.117.18.254

    BAGE CLOUD LLC

    AS63150

    Los Angeles

    34.0522, -118.2437

    100% uptime

    144ms
    |
    5ms
    |
    64ms
  • 158.51.155.82

    Bunny Communications

    AS5065

    Los Angeles

    34.0522, -118.2437

    100% uptime

    303ms
    |
    3ms
    |
    470ms
  • 158.51.155.150

    Bunny Communications

    AS5065

    Los Angeles

    34.0522, -118.2437

    100% uptime

    298ms
    |
    4ms
    |
    270ms
  • 162.250.100.130

    Rackdog, LLC

    AS398465

    Los Angeles

    34.0522, -118.2437

    100% uptime

    163ms
    |
    6ms
    |
    189ms
  • 168.235.92.236

    InMotion Hosting, Inc.

    AS3842

    Los Angeles

    34.0522, -118.2437

    100% uptime

    165ms
    |
    3ms
    |
    150ms
  • 172.93.40.217

    IT7 Networks Inc

    AS25820

    Los Angeles

    34.0522, -118.2437

    99% uptime

    148ms
    |
    8ms
    |
    29ms
  • 172.96.140.139

    ReliableSite.Net LLC

    AS23470

    Los Angeles

    34.0522, -118.2437

    98% uptime

    164ms
    |
    3ms
    |
    191ms
  • 172.233.142.189

    Akamai Connected Cloud

    AS63949

    Los Angeles

    34.0522, -118.2437

    100% uptime

    162ms
    |
    3ms
    |
    176ms
  • 172.233.154.137

    Akamai Connected Cloud

    AS63949

    Los Angeles

    34.0522, -118.2437

    100% uptime

    166ms
    |
    3ms
    |
    29ms
  • 173.196.195.114

    Charter Communications Inc

    AS20001

    Los Angeles

    34.0522, -118.2437

    98% uptime

    168ms
    |
    2ms
    |
    156ms
  • 173.231.199.200

    InMotion Hosting, Inc.

    AS22611

    Los Angeles

    34.0522, -118.2437

    100% uptime

    167ms
    |
    7ms
    |
    168ms
  • 180.178.58.62

    N963 PTE. LTD.

    AS963

    Los Angeles

    34.0030, -118.2863

    96% uptime

    155ms
    |
    1ms
    |
    172ms
  • 185.242.5.18

    M247 Europe SRL

    AS9009

    Los Angeles

    34.0522, -118.2437

    99% uptime

    154ms
    |
    1ms
    |
    81ms
  • 185.242.5.22

    M247 Europe SRL

    AS9009

    Los Angeles

    34.0522, -118.2437

    100% uptime

    156ms
    |
    1ms
    |
    68ms
  • 192.69.94.192

    IT7 Networks Inc

    AS25820

    Los Angeles

    34.0522, -118.2437

    98% uptime

    151ms
    |
    5ms
    |
    68ms
  • 192.161.162.6

    HostPapa

    AS36352

    Los Angeles

    34.0522, -118.2437

    99% uptime

    162ms
    |
    4ms
    |
    52ms
  • 192.249.113.31

    InMotion Hosting, Inc.

    AS22611

    Los Angeles

    34.0522, -118.2437

    100% uptime

    146ms
    |
    2ms
    |
    192ms
  • 192.249.113.32

    InMotion Hosting, Inc.

    AS22611

    Los Angeles

    34.0522, -118.2437

    99% uptime

    160ms
    |
    18ms
    |
    178ms
  • 192.249.113.36

    InMotion Hosting, Inc.

    AS22611

    Los Angeles

    34.0522, -118.2437

    100% uptime

    163ms
    |
    3ms
    |
    175ms
  • 192.249.113.63

    InMotion Hosting, Inc.

    AS22611

    Los Angeles

    34.0522, -118.2437

    99% uptime

    143ms
    |
    2ms
    |
    196ms
  • 192.249.113.78

    InMotion Hosting, Inc.

    AS22611

    Los Angeles

    34.0522, -118.2437

    100% uptime

    149ms
    |
    7ms
    |
    188ms
  • 192.249.118.15

    InMotion Hosting, Inc.

    AS22611

    Los Angeles

    34.0522, -118.2437

    99% uptime

    149ms
    |
    11ms
    |
    188ms
  • 198.54.117.10

    Namecheap, Inc.

    AS22612

    Los Angeles

    34.0522, -118.2437

    100% uptime

    164ms
    |
    35ms
    |
    252ms
  • 198.54.117.11

    Namecheap, Inc.

    AS22612

    Los Angeles

    34.0522, -118.2437

    100% uptime

    161ms
    |
    28ms
    |
    246ms
  • 199.91.69.181

    HIVELOCITY, Inc.

    AS29802

    Los Angeles

    34.0522, -118.2437

    100% uptime

    146ms
    |
    8ms
    |
    78ms
  • 199.180.152.106

    SUBRIGO CORPORATION

    AS19257

    Los Angeles

    34.0522, -118.2437

    100% uptime

    143ms
    |
    1ms
    |
    154ms
  • 201.174.95.2

    Transtelco Inc

    AS32098

    Los Angeles

    34.0522, -118.2437

    98% uptime

    150ms
    |
    17ms
    |
    209ms
  • 204.2.61.2

    NTT America, Inc.

    AS2914

    Los Angeles

    34.0522, -118.2437

    98% uptime

    142ms
    |
    2ms
    |
    156ms
  • 204.152.194.214

    HostPapa

    AS36352

    Los Angeles

    34.0522, -118.2437

    96% uptime

    163ms
    |
    4ms
    |
    123ms
  • 206.128.123.50

    UTILITY TELEPHONE, INC.

    AS23308

    Los Angeles

    34.0522, -118.2437

    96% uptime

    169ms
    |
    2ms
    |
    170ms
  • 207.38.46.149

    Latisys-Irvine, LLC

    AS5693

    Los Angeles

    34.0522, -118.2437

    100% uptime

    144ms
    |
    4ms
    |
    78ms
  • 207.178.142.148

    Key Information Systems, Inc.

    AS5033

    Los Angeles

    34.0522, -118.2437

    100% uptime

    170ms
    |
    12ms
    |
    150ms
  • 207.246.96.128

    The Constant Company, LLC

    AS20473

    Los Angeles

    34.0522, -118.2437

    100% uptime

    169ms
    |
    8ms
    |
    63ms
  • 207.246.97.179

    The Constant Company, LLC

    AS20473

    Los Angeles

    34.0522, -118.2437

    98% uptime

    167ms
    |
    6ms
    |
    76ms
  • 207.246.99.141

    The Constant Company, LLC

    AS20473

    Los Angeles

    34.0522, -118.2437

    98% uptime

    169ms
    |
    10ms
    |
    76ms
  • 207.246.106.85

    The Constant Company, LLC

    AS20473

    Los Angeles

    34.0522, -118.2437

    98% uptime

    162ms
    |
    4ms
    |
    85ms
  • 207.246.110.213

    The Constant Company, LLC

    AS20473

    Los Angeles

    34.0522, -118.2437

    99% uptime

    160ms
    |
    6ms
    |
    76ms
  • 208.80.137.212

    WiLine Networks Inc.

    AS33544

    Los Angeles

    34.0522, -118.2437

    100% uptime

    234ms
    |
    15ms
    |
    625ms
  • 208.87.242.175

    Psychz Networks

    AS40676

    Los Angeles

    34.0522, -118.2437

    99% uptime

    141ms
    |
    1ms
    |
    164ms
  • 208.98.42.13

    Sharktech

    AS46844

    Los Angeles

    34.0522, -118.2437

    100% uptime

    163ms
    |
    4ms
    |
    72ms
  • 208.98.42.15

    Sharktech

    AS46844

    Los Angeles

    34.0522, -118.2437

    99% uptime

    164ms
    |
    4ms
    |
    82ms
  • 209.148.34.194

    Crown Castle Fiber LLC

    AS46887

    Los Angeles

    34.0522, -118.2437

    99% uptime

    155ms
    |
    4ms
    |
    179ms
  • 216.70.237.18

    TPx Communications

    AS14265

    Los Angeles

    34.0522, -118.2437

    100% uptime

    171ms
    |
    5ms
    |
    150ms
  • 216.86.193.34

    MM Internet, Inc.

    AS12028

    Los Angeles

    34.0522, -118.2437

    98% uptime

    173ms
    |
    4ms
    |
    198ms
  • 216.202.218.244

    Level 3 Parent, LLC

    AS3356

    Los Angeles

    34.0522, -118.2437

    100% uptime

    166ms
    |
    7ms
    |
    39ms
  • 71.78.141.114

    Charter Communications Inc

    AS11427

    Los Indios

    26.0492, -97.7450

    100% uptime

    151ms
    |
    7ms
    |
    290ms
  • 35.130.107.83

    Charter Communications LLC

    AS20115

    Loudon

    35.7328, -84.3338

    100% uptime

    124ms
    |
    8ms
    |
    110ms
  • 162.245.18.142

    Summit Broadband

    AS23314

    Loughman

    28.2420, -81.5667

    100% uptime

    122ms
    |
    3ms
    |
    16ms
  • 70.60.27.246

    Charter Communications Inc

    AS10796

    Louisville

    38.2542, -85.7594

    100% uptime

    129ms
    |
    8ms
    |
    115ms
  • 98.123.38.50

    Charter Communications Inc

    AS10796

    Louisville

    38.2542, -85.7594

    100% uptime

    129ms
    |
    4ms
    |
    122ms
  • 104.231.156.216

    Charter Communications Inc

    AS10796

    Louisville

    38.2542, -85.7594

    98% uptime

    128ms
    |
    3ms
    |
    249ms
  • 162.155.58.38

    Charter Communications Inc

    AS10796

    Louisville

    38.2542, -85.7594

    100% uptime

    130ms
    |
    3ms
    |
    89ms
  • 209.198.2.31

    Zoom Telcom, LLC

    AS31996

    Louisville

    33.0015, -82.4112

    100% uptime

    109ms
    |
    2ms
    |
    160ms
  • 209.198.48.37

    Zoom Telcom, LLC

    AS31996

    Louisville

    33.0015, -82.4112

    100% uptime

    110ms
    |
    2ms
    |
    166ms
  • 209.198.48.99

    Zoom Telcom, LLC

    AS31996

    Louisville

    33.0015, -82.4112

    96% uptime

    110ms
    |
    2ms
    |
    174ms
  • 216.26.158.21

    Flexential Colorado Corp.

    AS13649

    Louisville

    38.2651, -85.5582

    100% uptime

    113ms
    |
    1ms
    |
    36ms
  • 98.43.254.159

    Comcast Cable Communications, LLC

    AS7922

    Loveland

    40.3978, -105.0750

    98% uptime

    146ms
    |
    3ms
    |
    265ms
  • 173.162.198.121

    Comcast Cable Communications, LLC

    AS7922

    Lowell

    42.6334, -71.3162

    100% uptime

    112ms
    |
    3ms
    |
    171ms
  • 142.54.24.2

    Alliance Communications

    AS401415

    Luverne

    43.6541, -96.2128

    100% uptime

    116ms
    |
    10ms
    |
    194ms
  • 73.31.96.34

    Comcast Cable Communications, LLC

    AS7922

    Lynchburg

    37.4138, -79.1423

    98% uptime

    123ms
    |
    4ms
    |
    200ms
  • 73.147.247.181

    Comcast Cable Communications, LLC

    AS7922

    Lynchburg

    37.4138, -79.1423

    98% uptime

    128ms
    |
    5ms
    |
    212ms
  • 74.136.197.9

    Charter Communications Inc

    AS10796

    Lynchburg

    39.2417, -83.7913

    98% uptime

    133ms
    |
    8ms
    |
    210ms
  • 71.24.119.153

    Comcast Cable Communications, LLC

    AS7922

    Lyndhurst

    40.8120, -74.1243

    100% uptime

    114ms
    |
    2ms
    |
    116ms
  • 143.170.79.11

    Granite Telecommunications LLC

    AS16504

    Lynnwood

    47.8209, -122.3151

    98% uptime

    155ms
    |
    3ms
    |
    196ms
  • 67.141.17.62

    Windstream Communications LLC

    AS7029

    Macon

    32.8407, -83.6324

    100% uptime

    111ms
    |
    3ms
    |
    202ms
  • 98.188.242.237

    Cox Communications Inc.

    AS22773

    Macon

    32.8407, -83.6324

    99% uptime

    120ms
    |
    6ms
    |
    162ms
  • 184.191.220.172

    Cox Communications Inc.

    AS22773

    Macon

    32.8407, -83.6324

    100% uptime

    117ms
    |
    3ms
    |
    167ms
  • 23.157.208.82

    upnetwi, llc

    AS398310

    Madison

    43.0731, -89.4012

    98% uptime

    107ms
    |
    1ms
    |
    241ms
  • 23.188.24.226

    LXXIX Project Lab LLC

    AS397700

    Madison

    41.2795, -72.5984

    100% uptime

    103ms
    |
    3ms
    |
    125ms
  • 24.96.72.12

    WideOpenWest Finance LLC

    AS12083

    Madison

    34.6993, -86.7483

    96% uptime

    136ms
    |
    1ms
    |
    262ms
  • 50.86.117.11

    C Spire Fiber

    AS11272

    Madison

    32.4618, -90.1154

    100% uptime

    115ms
    |
    3ms
    |
    124ms
  • 104.232.189.120

    C Spire Fiber

    AS11272

    Madison

    32.4618, -90.1154

    99% uptime

    114ms
    |
    3ms
    |
    140ms
  • 136.239.113.131

    C Spire Fiber

    AS11272

    Madison

    32.4618, -90.1154

    100% uptime

    112ms
    |
    4ms
    |
    140ms
  • 137.27.95.134

    Charter Communications LLC

    AS20115

    Madison

    43.0731, -89.4012

    99% uptime

    147ms
    |
    4ms
    |
    296ms
  • 172.102.6.114

    Hoyos Consulting LLC

    AS53597

    Madison

    43.0731, -89.4012

    99% uptime

    110ms
    |
    9ms
    |
    176ms
  • 173.235.18.102

    C Spire Fiber

    AS11272

    Madison

    32.4618, -90.1154

    100% uptime

    113ms
    |
    4ms
    |
    138ms
  • 173.235.63.99

    C Spire Fiber

    AS11272

    Madison

    32.4618, -90.1154

    100% uptime

    121ms
    |
    1ms
    |
    175ms
  • 142.190.66.78

    Uniti Fiber Holdings Inc.

    AS13760

    Madisonville

    30.4044, -90.1570

    98% uptime

    124ms
    |
    1ms
    |
    107ms
  • 173.216.171.165

    Optimum

    AS19108

    Magnolia

    33.2671, -93.2393

    98% uptime

    148ms
    |
    3ms
    |
    228ms
  • 72.253.91.251

    Hawaiian Telcom Services Company, Inc.

    AS36149

    Makakilo / Kapolei / Honokai Hale

    21.3374, -158.0968

    98% uptime

    299ms
    |
    1ms
    |
    221ms
  • 50.47.64.51

    Wholesail networks LLC

    AS20055

    Maltby

    47.8051, -122.1132

    100% uptime

    148ms
    |
    5ms
    |
    236ms
  • 50.47.64.56

    Wholesail networks LLC

    AS20055

    Maltby

    47.8051, -122.1132

    100% uptime

    167ms
    |
    4ms
    |
    224ms
  • 24.121.221.253

    Optimum

    AS19108

    Mammoth Lakes

    37.6486, -118.9721

    100% uptime

    177ms
    |
    4ms
    |
    292ms
  • 96.241.173.205

    Verizon Business

    AS701

    Manassas

    38.7510, -77.4753

    100% uptime

    109ms
    |
    4ms
    |
    103ms
  • 108.28.123.101

    Verizon Business

    AS701

    Manassas

    38.7510, -77.4753

    98% uptime

    107ms
    |
    1ms
    |
    149ms
  • 152.53.169.170

    netcup GmbH

    AS214996

    Manassas

    38.7510, -77.4753

    100% uptime

    107ms
    |
    3ms
    |
    128ms
  • 152.53.241.54

    netcup GmbH

    AS214996

    Manassas

    38.7510, -77.4753

    100% uptime

    106ms
    |
    4ms
    |
    16ms
  • 216.201.72.165

    G-Core Labs S.A.

    AS199524

    Manassas

    38.7510, -77.4753

    99% uptime

    106ms
    |
    2ms
    |
    48ms
  • 65.192.242.91

    Verizon Business

    AS701

    Manassas Park

    38.7840, -77.4697

    100% uptime

    114ms
    |
    3ms
    |
    114ms