DNS Servers

United Kingdom of Great Britain and Northern Ireland 824 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

  • 95.166.51.156

    Trooli Ltd.

    AS48101

    Meopham

    51.3684, 0.3601

    100% uptime

    21ms
    |
    0ms
    |
    36ms
  • 159.242.88.130

    Aspire Technology Solutions Ltd

    AS51043

    Middlesbrough

    54.5870, -1.2274

    98% uptime

    33ms
    |
    1ms
    |
    49ms
  • 159.242.120.34

    Aspire Technology Solutions Ltd

    AS51043

    Middlesbrough

    54.5870, -1.2274

    100% uptime

    49ms
    |
    0ms
    |
    88ms
  • 159.242.120.35

    Aspire Technology Solutions Ltd

    AS51043

    Middlesbrough

    54.5870, -1.2274

    100% uptime

    49ms
    |
    1ms
    |
    82ms
  • 82.22.117.100

    Open Infra ISP Production International AB

    AS210805

    New Barnet

    51.6497, -0.1753

    98% uptime

    22ms
    |
    2ms
    |
    48ms
  • 83.98.38.146

    Aspire Technology Solutions Ltd

    AS51043

    Newcastle upon Tyne

    54.9775, -1.5656

    100% uptime

    31ms
    |
    4ms
    |
    52ms
  • 83.98.38.147

    Aspire Technology Solutions Ltd

    AS51043

    Newcastle upon Tyne

    54.9775, -1.5656

    100% uptime

    32ms
    |
    3ms
    |
    43ms
  • 159.242.97.50

    Aspire Technology Solutions Ltd

    AS51043

    Newcastle upon Tyne

    54.9775, -1.5656

    100% uptime

    31ms
    |
    0ms
    |
    48ms
  • 159.242.97.51

    Aspire Technology Solutions Ltd

    AS51043

    Newcastle upon Tyne

    54.9775, -1.5656

    99% uptime

    31ms
    |
    1ms
    |
    46ms
  • 159.242.121.170

    Aspire Technology Solutions Ltd

    AS51043

    Newcastle upon Tyne

    54.9775, -1.5656

    99% uptime

    34ms
    |
    0ms
    |
    56ms
  • 159.242.121.171

    Aspire Technology Solutions Ltd

    AS51043

    Newcastle upon Tyne

    54.9775, -1.5656

    100% uptime

    34ms
    |
    1ms
    |
    56ms
  • 185.27.134.6

    Wildcard UK Limited

    AS34119

    Newcastle upon Tyne

    54.9733, -1.6140

    99% uptime

    27ms
    |
    2ms
    |
    58ms
  • 185.27.134.7

    Wildcard UK Limited

    AS34119

    Newcastle upon Tyne

    54.9733, -1.6140

    99% uptime

    25ms
    |
    1ms
    |
    56ms
  • 212.250.110.67

    Virgin Media Limited

    AS5089

    Norbiton

    51.4119, -0.2842

    100% uptime

    20ms
    |
    1ms
    |
    38ms
  • 212.250.110.68

    Virgin Media Limited

    AS5089

    Norbiton

    51.4119, -0.2842

    100% uptime

    19ms
    |
    0ms
    |
    48ms
  • 212.250.110.69

    Virgin Media Limited

    AS5089

    Norbiton

    51.4119, -0.2842

    99% uptime

    21ms
    |
    0ms
    |
    38ms
  • 188.39.224.66

    ENTANET International Limited

    AS8468

    North Baddesley

    50.9774, -1.4455

    100% uptime

    31ms
    |
    0ms
    |
    72ms
  • 154.56.238.23

    Squirrel Internet Ltd

    AS212109

    Oakham

    52.6667, -0.7333

    100% uptime

    24ms
    |
    1ms
    |
    43ms
  • 194.74.235.194

    British Telecommunications PLC

    AS2856

    Pitstone

    51.8283, -0.6399

    100% uptime

    22ms
    |
    0ms
    |
    63ms
  • 154.51.153.249

    Cogent Communications, LLC

    AS174

    Poplar

    51.5111, -0.0157

    100% uptime

    134ms
    |
    17ms
    |
    306ms
  • 77.245.65.3

    IOMART CLOUD SERVICES LIMITED

    AS20860

    Portsmouth

    50.7990, -1.0913

    100% uptime

    22ms
    |
    1ms
    |
    42ms
  • 77.245.65.5

    IOMART CLOUD SERVICES LIMITED

    AS20860

    Portsmouth

    50.7990, -1.0913

    100% uptime

    22ms
    |
    0ms
    |
    44ms
  • 88.150.224.75

    IOMART CLOUD SERVICES LIMITED

    AS20860

    Portsmouth

    50.7990, -1.0913

    100% uptime

    22ms
    |
    1ms
    |
    43ms
  • 88.150.224.76

    IOMART CLOUD SERVICES LIMITED

    AS20860

    Portsmouth

    50.7990, -1.0913

    100% uptime

    22ms
    |
    1ms
    |
    44ms
  • 88.150.224.77

    IOMART CLOUD SERVICES LIMITED

    AS20860

    Portsmouth

    50.7990, -1.0913

    100% uptime

    22ms
    |
    1ms
    |
    43ms
  • 94.72.103.253

    Contabo GmbH

    AS51167

    Portsmouth

    50.7990, -1.0913

    100% uptime

    19ms
    |
    0ms
    |
    36ms
  • 158.220.82.155

    Contabo GmbH

    AS51167

    Portsmouth

    50.7990, -1.0913

    100% uptime

    24ms
    |
    1ms
    |
    201ms
  • 176.227.198.122

    IOMART CLOUD SERVICES LIMITED

    AS20860

    Portsmouth

    50.7990, -1.0913

    100% uptime

    20ms
    |
    1ms
    |
    40ms
  • 176.227.198.123

    IOMART CLOUD SERVICES LIMITED

    AS20860

    Portsmouth

    50.7990, -1.0913

    100% uptime

    19ms
    |
    1ms
    |
    40ms
  • 176.227.198.125

    IOMART CLOUD SERVICES LIMITED

    AS20860

    Portsmouth

    50.7990, -1.0913

    99% uptime

    20ms
    |
    1ms
    |
    41ms
  • 193.108.84.113

    Pangea Connected Limited

    AS207456

    Portsmouth

    50.7990, -1.0913

    100% uptime

    54ms
    |
    23ms
    |
    119ms
  • 46.149.244.226

    Vaioni Group Ltd

    AS35575

    Princes Risborough

    51.7255, -0.8314

    100% uptime

    25ms
    |
    1ms
    |
    38ms
  • 5.183.102.42

    IOMART CLOUD SERVICES LIMITED

    AS20860

    Reading

    51.4562, -0.9711

    99% uptime

    18ms
    |
    1ms
    |
    47ms
  • 5.183.102.46

    IOMART CLOUD SERVICES LIMITED

    AS20860

    Reading

    51.4562, -0.9711

    100% uptime

    18ms
    |
    1ms
    |
    58ms
  • 5.183.102.178

    IOMART CLOUD SERVICES LIMITED

    AS20860

    Reading

    51.4562, -0.9711

    98% uptime

    18ms
    |
    2ms
    |
    57ms
  • 5.183.102.179

    IOMART CLOUD SERVICES LIMITED

    AS20860

    Reading

    51.4562, -0.9711

    100% uptime

    18ms
    |
    1ms
    |
    84ms
  • 5.183.102.182

    IOMART CLOUD SERVICES LIMITED

    AS20860

    Reading

    51.4562, -0.9711

    99% uptime

    18ms
    |
    1ms
    |
    83ms
  • 80.68.48.41

    Datanet.co.uk Ltd

    AS20799

    Reading

    51.4396, -0.9292

    100% uptime

    18ms
    |
    1ms
    |
    39ms
  • 81.187.203.150

    Andrews & Arnold Ltd

    AS20712

    Reading

    51.4562, -0.9711

    99% uptime

    29ms
    |
    14ms
    |
    113ms
  • 89.200.141.245

    MEMSET Ltd

    AS50957

    Reading

    51.4562, -0.9711

    100% uptime

    20ms
    |
    1ms
    |
    35ms
  • 109.169.14.2

    IOMART CLOUD SERVICES LIMITED

    AS20860

    Reading

    51.4562, -0.9711

    88% uptime

    20ms
    |
    0ms
    |
    58ms
  • 109.169.33.236

    IOMART CLOUD SERVICES LIMITED

    AS20860

    Reading

    51.4562, -0.9711

    100% uptime

    20ms
    |
    1ms
    |
    65ms
  • 109.169.33.240

    IOMART CLOUD SERVICES LIMITED

    AS20860

    Reading

    51.4562, -0.9711

    100% uptime

    20ms
    |
    1ms
    |
    70ms
  • 179.61.169.150

    IOMART CLOUD SERVICES LIMITED

    AS20860

    Reading

    51.4562, -0.9711

    100% uptime

    17ms
    |
    0ms
    |
    78ms
  • 179.61.169.151

    IOMART CLOUD SERVICES LIMITED

    AS20860

    Reading

    51.4562, -0.9711

    99% uptime

    17ms
    |
    1ms
    |
    82ms
  • 179.61.169.160

    IOMART CLOUD SERVICES LIMITED

    AS20860

    Reading

    51.4562, -0.9711

    100% uptime

    17ms
    |
    1ms
    |
    54ms
  • 179.61.169.162

    IOMART CLOUD SERVICES LIMITED

    AS20860

    Reading

    51.4562, -0.9711

    99% uptime

    17ms
    |
    1ms
    |
    82ms
  • 213.106.233.90

    Virgin Media Limited

    AS5089

    Redcar

    54.6166, -1.0600

    100% uptime

    30ms
    |
    1ms
    |
    47ms
  • 213.106.233.91

    Virgin Media Limited

    AS5089

    Redcar

    54.6166, -1.0600

    100% uptime

    26ms
    |
    0ms
    |
    44ms
  • 213.106.233.92

    Virgin Media Limited

    AS5089

    Redcar

    54.6166, -1.0600

    100% uptime

    26ms
    |
    1ms
    |
    50ms
  • 62.3.99.78

    Zen Internet Ltd

    AS13037

    Rochdale

    53.5833, -2.1833

    100% uptime

    27ms
    |
    1ms
    |
    38ms
  • 82.68.1.140

    Zen Internet Ltd

    AS13037

    Rochdale

    53.5833, -2.1833

    100% uptime

    27ms
    |
    1ms
    |
    37ms
  • 82.68.1.142

    Zen Internet Ltd

    AS13037

    Rochdale

    53.5833, -2.1833

    100% uptime

    27ms
    |
    1ms
    |
    38ms
  • 82.68.103.240

    Zen Internet Ltd

    AS13037

    Rochdale

    53.5833, -2.1833

    100% uptime

    27ms
    |
    3ms
    |
    50ms
  • 88.98.13.68

    Zen Internet Ltd

    AS13037

    Rochdale

    53.5833, -2.1833

    100% uptime

    22ms
    |
    1ms
    |
    30ms
  • 217.155.0.239

    Zen Internet Ltd

    AS13037

    Rochdale

    53.5833, -2.1833

    98% uptime

    24ms
    |
    1ms
    |
    53ms
  • 81.105.226.156

    Virgin Media Limited

    AS5089

    Royal Leamington Spa

    52.2852, -1.5200

    100% uptime

    26ms
    |
    0ms
    |
    79ms
  • 31.120.250.53

    British Telecommunications PLC

    AS2856

    Runcorn

    53.3417, -2.7312

    94% uptime

    25ms
    |
    0ms
    |
    63ms
  • 51.179.163.73

    M247 UK Ltd

    AS42973

    Salford

    53.4877, -2.2904

    100% uptime

    36ms
    |
    0ms
    |
    121ms
  • 85.118.173.173

    Odyssey Systems Ltd

    AS204558

    Salford

    53.4877, -2.2904

    100% uptime

    132ms
    |
    12ms
    |
    467ms
  • 109.68.15.204

    VCG TECHNOLOGY SERVICES LIMITED

    AS50023

    Salford

    53.4877, -2.2904

    94% uptime

    33ms
    |
    0ms
    |
    96ms
  • 109.68.15.206

    VCG TECHNOLOGY SERVICES LIMITED

    AS50023

    Salford

    53.4877, -2.2904

    100% uptime

    34ms
    |
    0ms
    |
    175ms
  • 164.39.46.146

    M247 UK Ltd

    AS42973

    Salford

    53.4877, -2.2904

    98% uptime

    22ms
    |
    1ms
    |
    54ms
  • 185.14.214.160

    VCG TECHNOLOGY SERVICES LIMITED

    AS50023

    Salford

    53.4877, -2.2904

    100% uptime

    34ms
    |
    0ms
    |
    135ms
  • 185.14.214.169

    VCG TECHNOLOGY SERVICES LIMITED

    AS50023

    Salford

    53.4877, -2.2904

    100% uptime

    36ms
    |
    17ms
    |
    164ms
  • 185.14.214.186

    VCG TECHNOLOGY SERVICES LIMITED

    AS50023

    Salford

    53.4877, -2.2904

    94% uptime

    40ms
    |
    0ms
    |
    126ms
  • 185.14.214.193

    VCG TECHNOLOGY SERVICES LIMITED

    AS50023

    Salford

    53.4877, -2.2904

    94% uptime

    45ms
    |
    5ms
    |
    184ms
  • 185.14.214.194

    VCG TECHNOLOGY SERVICES LIMITED

    AS50023

    Salford

    53.4877, -2.2904

    100% uptime

    60ms
    |
    2ms
    |
    284ms
  • 185.14.215.20

    VCG TECHNOLOGY SERVICES LIMITED

    AS50023

    Salford

    53.4877, -2.2904

    94% uptime

    34ms
    |
    1ms
    |
    120ms
  • 185.14.215.22

    VCG TECHNOLOGY SERVICES LIMITED

    AS50023

    Salford

    53.4877, -2.2904

    100% uptime

    36ms
    |
    0ms
    |
    138ms
  • 185.14.215.184

    VCG TECHNOLOGY SERVICES LIMITED

    AS50023

    Salford

    53.4877, -2.2904

    100% uptime

    38ms
    |
    0ms
    |
    123ms
  • 185.14.215.245

    VCG TECHNOLOGY SERVICES LIMITED

    AS50023

    Salford

    53.4877, -2.2904

    100% uptime

    28ms
    |
    0ms
    |
    124ms
  • 185.137.64.92

    VCG TECHNOLOGY SERVICES LIMITED

    AS50023

    Salford

    53.4877, -2.2904

    100% uptime

    41ms
    |
    0ms
    |
    146ms
  • 185.137.64.226

    VCG TECHNOLOGY SERVICES LIMITED

    AS50023

    Salford

    53.4877, -2.2904

    88% uptime

    36ms
    |
    1ms
    |
    134ms
  • 185.137.65.32

    VCG TECHNOLOGY SERVICES LIMITED

    AS50023

    Salford

    53.4877, -2.2904

    100% uptime

    32ms
    |
    2ms
    |
    136ms
  • 185.137.65.217

    VCG TECHNOLOGY SERVICES LIMITED

    AS50023

    Salford

    53.4877, -2.2904

    100% uptime

    35ms
    |
    0ms
    |
    154ms
  • 185.137.66.246

    VCG TECHNOLOGY SERVICES LIMITED

    AS50023

    Salford

    53.4877, -2.2904

    100% uptime

    39ms
    |
    10ms
    |
    136ms
  • 217.138.55.132

    M247 UK Ltd

    AS16247

    Salford

    53.4877, -2.2904

    100% uptime

    28ms
    |
    1ms
    |
    48ms
  • 217.138.55.134

    M247 UK Ltd

    AS16247

    Salford

    53.4877, -2.2904

    100% uptime

    27ms
    |
    1ms
    |
    56ms
  • 81.148.206.229

    British Telecommunications PLC

    AS2856

    Sawtry

    52.4398, -0.2842

    100% uptime

    24ms
    |
    1ms
    |
    34ms
  • 37.72.112.86

    NYnet Ltd

    AS41484

    Scarborough

    54.2797, -0.4044

    100% uptime

    32ms
    |
    1ms
    |
    59ms
  • 37.72.116.26

    NYnet Ltd

    AS41484

    Scarborough

    54.2797, -0.4044

    99% uptime

    35ms
    |
    2ms
    |
    67ms
  • 185.68.107.84

    NYnet Ltd

    AS41484

    Scarborough

    54.2797, -0.4044

    100% uptime

    23ms
    |
    0ms
    |
    46ms
  • 90.152.57.138

    COLT Technology Services Group Limited

    AS8220

    Slough

    51.5095, -0.5954

    100% uptime

    18ms
    |
    0ms
    |
    42ms
  • 90.152.57.141

    COLT Technology Services Group Limited

    AS8220

    Slough

    51.5095, -0.5954

    99% uptime

    18ms
    |
    0ms
    |
    42ms
  • 154.61.155.200

    Full Fibre Limited

    AS213094

    Slough

    51.5095, -0.5954

    99% uptime

    26ms
    |
    3ms
    |
    42ms
  • 217.61.20.142

    Aruba S.p.A.

    AS199883

    Slough

    51.5095, -0.5954

    94% uptime

    27ms
    |
    0ms
    |
    103ms
  • 62.232.130.82

    Wavenet Limited

    AS5413

    Solihull

    52.4143, -1.7809

    100% uptime

    28ms
    |
    0ms
    |
    71ms
  • 62.232.219.148

    Wavenet Limited

    AS5413

    Solihull

    52.4143, -1.7809

    99% uptime

    31ms
    |
    14ms
    |
    55ms
  • 78.141.34.119

    Wavenet Limited

    AS5413

    Solihull

    52.4143, -1.7809

    100% uptime

    36ms
    |
    0ms
    |
    71ms
  • 92.42.125.194

    Wavenet Limited

    AS21267

    Solihull

    52.4143, -1.7809

    94% uptime

    29ms
    |
    0ms
    |
    49ms
  • 92.42.125.195

    Wavenet Limited

    AS21267

    Solihull

    52.4143, -1.7809

    100% uptime

    29ms
    |
    1ms
    |
    50ms
  • 109.170.229.79

    Wavenet Limited

    AS5413

    Solihull

    52.4143, -1.7809

    100% uptime

    34ms
    |
    1ms
    |
    86ms
  • 176.35.60.11

    Wavenet Limited

    AS5413

    Solihull

    52.4143, -1.7809

    100% uptime

    43ms
    |
    0ms
    |
    116ms
  • 195.70.72.172

    Wavenet Limited

    AS5413

    Solihull

    52.4143, -1.7809

    100% uptime

    37ms
    |
    0ms
    |
    71ms
  • 195.224.157.162

    Wavenet Limited

    AS5413

    Solihull

    52.4143, -1.7809

    99% uptime

    44ms
    |
    2ms
    |
    97ms
  • 212.88.53.124

    Wavenet Limited

    AS5413

    Solihull

    52.4143, -1.7809

    94% uptime

    35ms
    |
    1ms
    |
    90ms
  • 145.40.180.18

    toob limited

    AS60377

    Southampton

    50.9040, -1.4043

    100% uptime

    21ms
    |
    0ms
    |
    41ms
  • 185.130.157.37

    Airband Community Internet Ltd

    AS203568

    Studley

    52.2703, -1.8919

    100% uptime

    33ms
    |
    1ms
    |
    89ms
  • 64.176.178.199

    The Constant Company, LLC

    AS20473

    Swinton

    53.5000, -2.3500

    100% uptime

    31ms
    |
    0ms
    |
    40ms