DNS Servers

United Kingdom of Great Britain and Northern Ireland 804 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

  • 188.39.224.66

    ENTANET International Limited

    AS8468

    North Baddesley

    50.9774, -1.4455

    99% uptime

    32ms
    |
    0ms
    |
    71ms
  • 185.14.215.4

    VCG TECHNOLOGY SERVICES LIMITED

    AS50023

    Norwich

    52.6278, 1.2983

    100% uptime

    40ms
    |
    4ms
    |
    138ms
  • 185.14.215.13

    VCG TECHNOLOGY SERVICES LIMITED

    AS50023

    Norwich

    52.6278, 1.2983

    100% uptime

    42ms
    |
    5ms
    |
    138ms
  • 185.14.215.14

    VCG TECHNOLOGY SERVICES LIMITED

    AS50023

    Norwich

    52.6278, 1.2983

    96% uptime

    38ms
    |
    2ms
    |
    104ms
  • 185.14.215.15

    VCG TECHNOLOGY SERVICES LIMITED

    AS50023

    Norwich

    52.6278, 1.2983

    100% uptime

    41ms
    |
    18ms
    |
    146ms
  • 81.153.61.255

    British Telecommunications PLC

    AS2856

    Nottingham

    52.9536, -1.1505

    100% uptime

    25ms
    |
    0ms
    |
    76ms
  • 154.56.238.23

    Squirrel Internet Ltd

    AS212109

    Oakham

    52.6667, -0.7333

    100% uptime

    24ms
    |
    1ms
    |
    43ms
  • 89.107.26.235

    ICUK Computing Services Limited

    AS51561

    Omagh

    54.6000, -7.3000

    100% uptime

    34ms
    |
    0ms
    |
    110ms
  • 194.74.235.194

    British Telecommunications PLC

    AS2856

    Pitstone

    51.8283, -0.6399

    100% uptime

    22ms
    |
    0ms
    |
    68ms
  • 85.204.49.109

    VCG TECHNOLOGY SERVICES LIMITED

    AS50023

    Plymouth

    50.3715, -4.1430

    100% uptime

    30ms
    |
    7ms
    |
    117ms
  • 45.143.120.129

    Contingency Networks Ltd

    AS21339

    Polebrook

    52.4715, -0.4277

    100% uptime

    20ms
    |
    1ms
    |
    60ms
  • 77.245.65.3

    IOMART CLOUD SERVICES LIMITED

    AS20860

    Portsmouth

    50.7990, -1.0913

    99% uptime

    22ms
    |
    0ms
    |
    43ms
  • 77.245.65.4

    IOMART CLOUD SERVICES LIMITED

    AS20860

    Portsmouth

    50.7990, -1.0913

    96% uptime

    22ms
    |
    0ms
    |
    44ms
  • 158.220.82.155

    Contabo GmbH

    AS51167

    Portsmouth

    50.7990, -1.0913

    99% uptime

    26ms
    |
    3ms
    |
    205ms
  • 176.227.198.123

    IOMART CLOUD SERVICES LIMITED

    AS20860

    Portsmouth

    50.7990, -1.0913

    99% uptime

    20ms
    |
    3ms
    |
    41ms
  • 193.108.84.113

    Pangea Connected Limited

    AS207456

    Portsmouth

    50.7990, -1.0913

    100% uptime

    62ms
    |
    22ms
    |
    149ms
  • 46.149.244.226

    Vaioni Group Ltd

    AS35575

    Princes Risborough

    51.7255, -0.8314

    100% uptime

    25ms
    |
    0ms
    |
    37ms
  • 5.183.102.46

    IOMART CLOUD SERVICES LIMITED

    AS20860

    Reading

    51.4562, -0.9711

    100% uptime

    18ms
    |
    3ms
    |
    43ms
  • 81.187.203.150

    Andrews & Arnold Ltd

    AS20712

    Reading

    51.4562, -0.9711

    99% uptime

    29ms
    |
    11ms
    |
    68ms
  • 89.200.141.245

    MEMSET Ltd

    AS50957

    Reading

    51.4562, -0.9711

    100% uptime

    20ms
    |
    0ms
    |
    35ms
  • 109.169.33.237

    IOMART CLOUD SERVICES LIMITED

    AS20860

    Reading

    51.4562, -0.9711

    96% uptime

    20ms
    |
    1ms
    |
    56ms
  • 109.169.33.240

    IOMART CLOUD SERVICES LIMITED

    AS20860

    Reading

    51.4562, -0.9711

    99% uptime

    20ms
    |
    1ms
    |
    60ms
  • 149.255.96.217

    IOMART CLOUD SERVICES LIMITED

    AS20860

    Reading

    51.4562, -0.9711

    96% uptime

    21ms
    |
    0ms
    |
    57ms
  • 179.61.169.151

    IOMART CLOUD SERVICES LIMITED

    AS20860

    Reading

    51.4562, -0.9711

    98% uptime

    17ms
    |
    2ms
    |
    58ms
  • 179.61.169.160

    IOMART CLOUD SERVICES LIMITED

    AS20860

    Reading

    51.4562, -0.9711

    100% uptime

    17ms
    |
    3ms
    |
    60ms
  • 213.106.233.90

    Virgin Media Limited

    AS5089

    Redcar

    54.6166, -1.0600

    100% uptime

    30ms
    |
    1ms
    |
    48ms
  • 213.106.233.92

    Virgin Media Limited

    AS5089

    Redcar

    54.6166, -1.0600

    100% uptime

    26ms
    |
    0ms
    |
    48ms
  • 51.155.47.161

    Zen Internet Ltd

    AS13037

    Rochdale

    53.5833, -2.1833

    100% uptime

    20ms
    |
    0ms
    |
    38ms
  • 62.3.99.78

    Zen Internet Ltd

    AS13037

    Rochdale

    53.5833, -2.1833

    100% uptime

    27ms
    |
    0ms
    |
    35ms
  • 82.68.52.246

    Zen Internet Ltd

    AS13037

    Rochdale

    53.5833, -2.1833

    100% uptime

    27ms
    |
    4ms
    |
    52ms
  • 82.68.103.240

    Zen Internet Ltd

    AS13037

    Rochdale

    53.5833, -2.1833

    99% uptime

    27ms
    |
    0ms
    |
    50ms
  • 82.68.120.250

    Zen Internet Ltd

    AS13037

    Rochdale

    53.5833, -2.1833

    100% uptime

    34ms
    |
    0ms
    |
    64ms
  • 82.71.64.1

    Zen Internet Ltd

    AS13037

    Rochdale

    53.5833, -2.1833

    98% uptime

    29ms
    |
    0ms
    |
    70ms
  • 84.21.135.163

    GConnect Technology Ltd

    AS33941

    Rochdale

    53.6177, -2.1552

    100% uptime

    21ms
    |
    0ms
    |
    50ms
  • 88.98.13.68

    Zen Internet Ltd

    AS13037

    Rochdale

    53.5833, -2.1833

    100% uptime

    22ms
    |
    0ms
    |
    29ms
  • 146.66.105.13

    Zen Internet Ltd

    AS13037

    Rochdale

    53.5833, -2.1833

    98% uptime

    25ms
    |
    1ms
    |
    75ms
  • 217.155.0.239

    Zen Internet Ltd

    AS13037

    Rochdale

    53.5833, -2.1833

    100% uptime

    24ms
    |
    0ms
    |
    52ms
  • 109.144.167.53

    British Telecommunications PLC

    AS2856

    Rochester

    51.3876, 0.5055

    98% uptime

    29ms
    |
    1ms
    |
    97ms
  • 31.205.254.167

    ASK4 Limited

    AS41230

    Rotherham

    53.4301, -1.3568

    96% uptime

    30ms
    |
    1ms
    |
    90ms
  • 195.173.172.204

    Vodafone Group PLC

    AS1273

    Royal Tunbridge Wells

    51.1332, 0.2626

    100% uptime

    30ms
    |
    3ms
    |
    42ms
  • 81.26.97.81

    Lunar Digital Solutions Limited

    AS49775

    Salford

    53.4877, -2.2904

    100% uptime

    21ms
    |
    5ms
    |
    46ms
  • 82.148.225.62

    Netnorth Limited

    AS25376

    Salford

    53.4877, -2.2904

    96% uptime

    26ms
    |
    0ms
    |
    40ms
  • 84.21.135.83

    GConnect Technology Ltd

    AS33941

    Salford

    53.4877, -2.2904

    96% uptime

    26ms
    |
    0ms
    |
    66ms
  • 87.242.204.114

    TalkTalk Communications Limited

    AS13285

    Salford

    53.4877, -2.2904

    100% uptime

    25ms
    |
    0ms
    |
    35ms
  • 87.242.204.115

    TalkTalk Communications Limited

    AS13285

    Salford

    53.4877, -2.2904

    100% uptime

    25ms
    |
    0ms
    |
    34ms
  • 109.68.15.204

    VCG TECHNOLOGY SERVICES LIMITED

    AS50023

    Salford

    53.4877, -2.2904

    100% uptime

    33ms
    |
    1ms
    |
    37ms
  • 109.68.15.206

    VCG TECHNOLOGY SERVICES LIMITED

    AS50023

    Salford

    53.4877, -2.2904

    99% uptime

    35ms
    |
    1ms
    |
    141ms
  • 164.39.46.146

    M247 UK Ltd

    AS42973

    Salford

    53.4877, -2.2904

    100% uptime

    22ms
    |
    0ms
    |
    54ms
  • 217.138.55.132

    M247 UK Ltd

    AS16247

    Salford

    53.4877, -2.2904

    100% uptime

    28ms
    |
    0ms
    |
    48ms
  • 217.138.55.134

    M247 UK Ltd

    AS16247

    Salford

    53.4877, -2.2904

    100% uptime

    27ms
    |
    0ms
    |
    55ms
  • 81.148.206.229

    British Telecommunications PLC

    AS2856

    Sawtry

    52.4398, -0.2842

    100% uptime

    24ms
    |
    0ms
    |
    34ms
  • 37.72.116.26

    NYnet Ltd

    AS41484

    Scarborough

    54.2797, -0.4044

    100% uptime

    35ms
    |
    0ms
    |
    66ms
  • 80.194.118.138

    Virgin Media Limited

    AS5089

    Sheffield

    53.3830, -1.4659

    98% uptime

    21ms
    |
    0ms
    |
    64ms
  • 193.28.36.38

    Pine Media Ltd

    AS202454

    Sheffield

    53.3830, -1.4659

    96% uptime

    31ms
    |
    1ms
    |
    95ms
  • 157.231.76.235

    Gamma Telecom Holdings Ltd

    AS31655

    Skegness

    53.1436, 0.3363

    98% uptime

    30ms
    |
    0ms
    |
    103ms
  • 90.152.57.138

    COLT Technology Services Group Limited

    AS8220

    Slough

    51.5095, -0.5954

    100% uptime

    17ms
    |
    1ms
    |
    43ms
  • 90.152.57.141

    COLT Technology Services Group Limited

    AS8220

    Slough

    51.5095, -0.5954

    100% uptime

    17ms
    |
    0ms
    |
    43ms
  • 154.61.155.200

    Full Fibre Limited

    AS213094

    Slough

    51.5095, -0.5954

    100% uptime

    26ms
    |
    0ms
    |
    42ms
  • 62.232.8.249

    Wavenet Limited

    AS5413

    Solihull

    52.4143, -1.7809

    100% uptime

    30ms
    |
    0ms
    |
    76ms
  • 62.232.31.190

    Wavenet Limited

    AS5413

    Solihull

    52.4143, -1.7809

    100% uptime

    39ms
    |
    0ms
    |
    78ms
  • 62.232.35.206

    Wavenet Limited

    AS5413

    Solihull

    52.4143, -1.7809

    100% uptime

    36ms
    |
    0ms
    |
    59ms
  • 62.232.96.250

    Wavenet Limited

    AS5413

    Solihull

    52.4143, -1.7809

    100% uptime

    45ms
    |
    1ms
    |
    125ms
  • 78.141.34.119

    Wavenet Limited

    AS5413

    Solihull

    52.4143, -1.7809

    99% uptime

    36ms
    |
    1ms
    |
    66ms
  • 92.42.125.195

    Wavenet Limited

    AS21267

    Solihull

    52.4143, -1.7809

    100% uptime

    29ms
    |
    0ms
    |
    51ms
  • 176.35.60.11

    Wavenet Limited

    AS5413

    Solihull

    52.4143, -1.7809

    100% uptime

    44ms
    |
    5ms
    |
    110ms
  • 195.70.72.172

    Wavenet Limited

    AS5413

    Solihull

    52.4143, -1.7809

    98% uptime

    37ms
    |
    0ms
    |
    66ms
  • 195.224.116.41

    Wavenet Limited

    AS5413

    Solihull

    52.4143, -1.7809

    98% uptime

    29ms
    |
    0ms
    |
    76ms
  • 195.224.157.162

    Wavenet Limited

    AS5413

    Solihull

    52.4143, -1.7809

    99% uptime

    44ms
    |
    0ms
    |
    98ms
  • 195.224.157.163

    Wavenet Limited

    AS5413

    Solihull

    52.4143, -1.7809

    100% uptime

    44ms
    |
    0ms
    |
    98ms
  • 195.224.195.146

    Wavenet Limited

    AS5413

    Solihull

    52.4143, -1.7809

    98% uptime

    30ms
    |
    0ms
    |
    68ms
  • 195.224.195.148

    Wavenet Limited

    AS5413

    Solihull

    52.4143, -1.7809

    100% uptime

    30ms
    |
    0ms
    |
    69ms
  • 37.157.55.122

    VoiceHost Ltd

    AS31472

    Stockport

    53.4098, -2.1576

    98% uptime

    39ms
    |
    0ms
    |
    155ms
  • 81.128.160.84

    British Telecommunications PLC

    AS2856

    Stone

    51.4503, 0.2647

    100% uptime

    20ms
    |
    1ms
    |
    61ms
  • 64.176.178.199

    The Constant Company, LLC

    AS20473

    Swinton

    53.5000, -2.3500

    100% uptime

    31ms
    |
    0ms
    |
    41ms
  • 64.176.179.141

    The Constant Company, LLC

    AS20473

    Swinton

    53.5000, -2.3500

    100% uptime

    31ms
    |
    0ms
    |
    41ms
  • 64.176.181.21

    The Constant Company, LLC

    AS20473

    Swinton

    53.5000, -2.3500

    100% uptime

    31ms
    |
    0ms
    |
    63ms
  • 64.176.182.46

    The Constant Company, LLC

    AS20473

    Swinton

    53.5000, -2.3500

    100% uptime

    31ms
    |
    0ms
    |
    41ms
  • 64.176.183.109

    The Constant Company, LLC

    AS20473

    Swinton

    53.5000, -2.3500

    100% uptime

    31ms
    |
    0ms
    |
    64ms
  • 64.176.183.133

    The Constant Company, LLC

    AS20473

    Swinton

    53.5000, -2.3500

    100% uptime

    31ms
    |
    0ms
    |
    63ms
  • 64.176.189.233

    The Constant Company, LLC

    AS20473

    Swinton

    53.5000, -2.3500

    100% uptime

    31ms
    |
    0ms
    |
    64ms
  • 64.176.191.29

    The Constant Company, LLC

    AS20473

    Swinton

    53.5000, -2.3500

    100% uptime

    31ms
    |
    0ms
    |
    62ms
  • 66.245.192.121

    The Constant Company, LLC

    AS20473

    Swinton

    53.5000, -2.3500

    100% uptime

    31ms
    |
    0ms
    |
    41ms
  • 66.245.193.203

    The Constant Company, LLC

    AS20473

    Swinton

    53.5000, -2.3500

    100% uptime

    31ms
    |
    0ms
    |
    64ms
  • 62.255.51.212

    Virgin Media Limited

    AS5089

    Tugby

    52.6017, -0.8757

    100% uptime

    15ms
    |
    1ms
    |
    48ms
  • 62.255.51.213

    Virgin Media Limited

    AS5089

    Tugby

    52.6017, -0.8757

    98% uptime

    21ms
    |
    1ms
    |
    43ms
  • 80.195.153.138

    Virgin Media Limited

    AS5089

    Uxbridge

    51.5489, -0.4821

    96% uptime

    19ms
    |
    0ms
    |
    114ms
  • 195.188.21.195

    Virgin Media Limited

    AS5089

    Uxbridge

    51.5489, -0.4821

    100% uptime

    16ms
    |
    1ms
    |
    50ms
  • 195.188.21.196

    Virgin Media Limited

    AS5089

    Uxbridge

    51.5489, -0.4821

    100% uptime

    16ms
    |
    1ms
    |
    48ms
  • 83.148.148.133

    GTT Communications Inc.

    AS3257

    Wadebridge

    50.5173, -4.8363

    100% uptime

    39ms
    |
    1ms
    |
    68ms
  • 157.231.78.194

    Gamma Telecom Holdings Ltd

    AS31655

    Wadebridge

    50.5173, -4.8363

    100% uptime

    26ms
    |
    1ms
    |
    50ms
  • 157.231.78.195

    Gamma Telecom Holdings Ltd

    AS31655

    Wadebridge

    50.5173, -4.8363

    100% uptime

    26ms
    |
    1ms
    |
    51ms
  • 157.231.78.196

    Gamma Telecom Holdings Ltd

    AS31655

    Wadebridge

    50.5173, -4.8363

    100% uptime

    26ms
    |
    1ms
    |
    51ms
  • 77.98.253.40

    Virgin Media Limited

    AS5089

    Wallsend

    54.9911, -1.5340

    98% uptime

    33ms
    |
    1ms
    |
    126ms
  • 137.22.169.104

    ITS Technology Group Limited

    AS41354

    Warrington

    53.3925, -2.5802

    96% uptime

    26ms
    |
    0ms
    |
    86ms
  • 137.22.187.110

    ITS Technology Group Limited

    AS41354

    Warrington

    53.3925, -2.5802

    100% uptime

    29ms
    |
    1ms
    |
    54ms
  • 149.106.178.78

    ITS Technology Group Limited

    AS41354

    Warrington

    53.3925, -2.5802

    98% uptime

    28ms
    |
    0ms
    |
    53ms
  • 185.14.214.240

    VCG TECHNOLOGY SERVICES LIMITED

    AS50023

    Watford

    51.6553, -0.3960

    99% uptime

    40ms
    |
    2ms
    |
    127ms
  • 185.14.214.249

    VCG TECHNOLOGY SERVICES LIMITED

    AS50023

    Watford

    51.6553, -0.3960

    100% uptime

    39ms
    |
    2ms
    |
    129ms
  • 81.130.177.57

    British Telecommunications PLC

    AS2856

    Wilburton

    52.3519, 0.1767

    100% uptime

    28ms
    |
    1ms
    |
    121ms
  • 81.130.177.60

    British Telecommunications PLC

    AS2856

    Wilburton

    52.3519, 0.1767

    100% uptime

    28ms
    |
    1ms
    |
    227ms