DNS Servers

Canada 668 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

  • 50.21.174.242

    Metro Optic

    AS29909

    Blainville

    45.6668, -73.8825

    99% uptime

    104ms
    |
    0ms
    |
    129ms
  • 70.51.248.107

    Bell Canada

    AS577

    Brampton

    43.6834, -79.7663

    100% uptime

    120ms
    |
    1ms
    |
    172ms
  • 99.235.160.43

    Rogers Communications Canada Inc.

    AS812

    Brampton

    43.6834, -79.7663

    100% uptime

    112ms
    |
    4ms
    |
    7ms
  • 192.81.226.137

    Fidalia Networks Inc.

    AS32678

    Brampton

    43.6834, -79.7663

    94% uptime

    99ms
    |
    0ms
    |
    132ms
  • 24.50.58.14

    Cogeco Connexion Inc.

    AS7992

    Burlington

    43.3862, -79.8371

    100% uptime

    110ms
    |
    3ms
    |
    124ms
  • 24.141.130.218

    Cogeco Connexion Inc.

    AS7992

    Burlington

    43.3862, -79.8371

    94% uptime

    119ms
    |
    1ms
    |
    162ms
  • 24.141.241.215

    Cogeco Connexion Inc.

    AS7992

    Burlington

    43.3862, -79.8371

    100% uptime

    116ms
    |
    1ms
    |
    33ms
  • 24.150.75.207

    Cogeco Connexion Inc.

    AS7992

    Burlington

    43.3862, -79.8371

    99% uptime

    120ms
    |
    2ms
    |
    169ms
  • 24.150.107.75

    Cogeco Connexion Inc.

    AS7992

    Burlington

    43.3862, -79.8371

    99% uptime

    120ms
    |
    5ms
    |
    174ms
  • 24.226.101.155

    Cogeco Connexion Inc.

    AS7992

    Burlington

    43.3862, -79.8371

    88% uptime

    118ms
    |
    1ms
    |
    181ms
  • 38.74.37.54

    OXIO

    AS398721

    Burlington

    43.3862, -79.8371

    94% uptime

    118ms
    |
    1ms
    |
    155ms
  • 38.86.22.44

    OXIO

    AS398721

    Burlington

    43.3862, -79.8371

    99% uptime

    121ms
    |
    2ms
    |
    144ms
  • 32.60.98.45

    AT&T Enterprises, LLC

    AS2685

    Calgary

    51.0501, -114.0853

    94% uptime

    175ms
    |
    1ms
    |
    244ms
  • 38.175.152.195

    OXIO

    AS398721

    Calgary

    51.0501, -114.0853

    98% uptime

    170ms
    |
    3ms
    |
    236ms
  • 104.157.74.33

    TELUS Communications Inc.

    AS852

    Calgary

    51.0501, -114.0853

    100% uptime

    147ms
    |
    1ms
    |
    8ms
  • 165.140.229.13

    Western Fibre Communications Corp.

    AS400030

    Calgary

    51.0501, -114.0853

    100% uptime

    129ms
    |
    12ms
    |
    280ms
  • 174.0.232.222

    Shaw Communications

    AS6327

    Calgary

    51.0501, -114.0853

    100% uptime

    165ms
    |
    2ms
    |
    147ms
  • 204.191.124.130

    TELUS Communications Inc.

    AS852

    Calgary

    51.0501, -114.0853

    100% uptime

    157ms
    |
    1ms
    |
    193ms
  • 207.229.98.127

    Nutrien

    AS393891

    Calgary

    51.0501, -114.0853

    100% uptime

    144ms
    |
    0ms
    |
    150ms
  • 38.224.250.24

    Astro-Tech

    AS401216

    Cambridge

    43.3601, -80.3127

    94% uptime

    98ms
    |
    0ms
    |
    120ms
  • 70.53.207.154

    Bell Canada

    AS577

    Cantley

    45.5668, -75.7827

    94% uptime

    108ms
    |
    0ms
    |
    188ms
  • 96.63.141.1

    Access Communications Co-operative Limited

    AS21804

    Carlyle

    49.6333, -102.2677

    88% uptime

    136ms
    |
    0ms
    |
    288ms
  • 142.176.41.242

    Bell Canada

    AS855

    Charlottetown

    46.2346, -63.1256

    100% uptime

    118ms
    |
    1ms
    |
    88ms
  • 38.86.15.197

    OXIO

    AS398721

    Chatham

    42.4122, -82.1849

    100% uptime

    122ms
    |
    3ms
    |
    150ms
  • 108.162.66.38

    Cogeco Connexion Inc.

    AS7992

    Chatham

    42.4122, -82.1849

    100% uptime

    119ms
    |
    1ms
    |
    172ms
  • 216.208.220.34

    Bell Canada

    AS577

    Chelsea

    45.5001, -75.7827

    100% uptime

    109ms
    |
    0ms
    |
    70ms
  • 104.232.60.114

    ECN

    AS14735

    Chisasibi

    53.7833, -78.9000

    100% uptime

    109ms
    |
    0ms
    |
    220ms
  • 24.235.229.221

    Cogeco Connexion Inc.

    AS7992

    Cobourg

    43.9598, -78.1651

    99% uptime

    121ms
    |
    3ms
    |
    172ms
  • 139.60.118.78

    Liberated Networks Inc

    AS19772

    Dartmouth

    44.6713, -63.5772

    100% uptime

    116ms
    |
    1ms
    |
    128ms
  • 147.92.66.253

    Bell Canada

    AS54182

    Dawson Creek

    55.7598, -120.2403

    99% uptime

    138ms
    |
    15ms
    |
    209ms
  • 57.134.220.132

    Cogeco Connexion Inc.

    AS7992

    Deep River

    46.1001, -77.4995

    100% uptime

    117ms
    |
    1ms
    |
    179ms
  • 57.134.220.249

    Cogeco Connexion Inc.

    AS7992

    Deep River

    46.1001, -77.4995

    100% uptime

    117ms
    |
    1ms
    |
    181ms
  • 67.221.153.114

    iTel Networks Inc

    AS16696

    Drumheller

    51.4617, -112.7101

    100% uptime

    149ms
    |
    1ms
    |
    130ms
  • 204.89.159.249

    iTel Networks Inc

    AS16696

    Drumheller

    51.4617, -112.7101

    100% uptime

    148ms
    |
    0ms
    |
    197ms
  • 24.50.104.129

    Cogeco Connexion inc

    AS11290

    Drummondville

    45.8834, -72.4824

    99% uptime

    115ms
    |
    70ms
    |
    72ms
  • 184.144.158.106

    Bell Canada

    AS577

    Drummondville

    45.8834, -72.4824

    100% uptime

    108ms
    |
    1ms
    |
    82ms
  • 68.151.135.10

    Shaw Communications

    AS6327

    Duffield

    53.5265, -114.3460

    100% uptime

    176ms
    |
    1ms
    |
    148ms
  • 174.89.208.195

    Bell Canada

    AS577

    East Angus

    45.4834, -71.6658

    99% uptime

    108ms
    |
    1ms
    |
    73ms
  • 174.89.209.38

    Bell Canada

    AS577

    East Angus

    45.4834, -71.6658

    99% uptime

    112ms
    |
    1ms
    |
    52ms
  • 174.89.209.73

    Bell Canada

    AS577

    East Angus

    45.4834, -71.6658

    100% uptime

    109ms
    |
    4ms
    |
    64ms
  • 50.65.197.153

    Shaw Communications

    AS6327

    Edmonton

    53.5501, -113.4687

    100% uptime

    169ms
    |
    1ms
    |
    263ms
  • 68.148.158.136

    Shaw Communications

    AS6327

    Edmonton

    53.5501, -113.4687

    98% uptime

    166ms
    |
    1ms
    |
    186ms
  • 104.157.18.66

    TELUS Communications Inc.

    AS852

    Edmonton

    53.5501, -113.4687

    100% uptime

    154ms
    |
    1ms
    |
    107ms
  • 198.166.129.77

    TELUS Communications Inc.

    AS852

    Edmonton

    53.5501, -113.4687

    100% uptime

    148ms
    |
    1ms
    |
    72ms
  • 198.166.140.38

    TELUS Communications Inc.

    AS852

    Edmonton

    53.5501, -113.4687

    100% uptime

    149ms
    |
    0ms
    |
    216ms
  • 198.166.191.61

    TELUS Communications Inc.

    AS852

    Edmonton

    53.5501, -113.4687

    100% uptime

    148ms
    |
    0ms
    |
    212ms
  • 204.191.124.132

    TELUS Communications Inc.

    AS852

    Edmonton

    53.5501, -113.4687

    100% uptime

    148ms
    |
    0ms
    |
    208ms
  • 209.91.162.170

    Vianet Inc.

    AS5690

    Elliot Lake

    46.3834, -82.6332

    99% uptime

    109ms
    |
    4ms
    |
    110ms
  • 24.89.109.2

    Access Communications Co-operative Limited

    AS21804

    Estevan

    49.1334, -102.9842

    88% uptime

    177ms
    |
    8ms
    |
    276ms
  • 24.89.109.6

    Access Communications Co-operative Limited

    AS21804

    Estevan

    49.1334, -102.9842

    94% uptime

    136ms
    |
    0ms
    |
    294ms
  • 24.89.109.11

    Access Communications Co-operative Limited

    AS21804

    Estevan

    49.1334, -102.9842

    99% uptime

    136ms
    |
    11ms
    |
    253ms
  • 24.89.109.12

    Access Communications Co-operative Limited

    AS21804

    Estevan

    49.1334, -102.9842

    94% uptime

    136ms
    |
    0ms
    |
    182ms
  • 24.89.109.16

    Access Communications Co-operative Limited

    AS21804

    Estevan

    49.1334, -102.9842

    94% uptime

    159ms
    |
    4ms
    |
    317ms
  • 24.89.109.23

    Access Communications Co-operative Limited

    AS21804

    Estevan

    49.1334, -102.9842

    94% uptime

    136ms
    |
    0ms
    |
    296ms
  • 24.89.109.252

    Access Communications Co-operative Limited

    AS21804

    Estevan

    49.1334, -102.9842

    100% uptime

    136ms
    |
    0ms
    |
    283ms
  • 167.100.80.137

    Wightman Telecom

    AS29974

    Fergus

    43.7060, -80.3776

    100% uptime

    101ms
    |
    0ms
    |
    144ms
  • 207.164.153.140

    Bell Canada

    AS577

    Fort Frances

    48.6167, -93.4003

    100% uptime

    148ms
    |
    0ms
    |
    138ms
  • 70.29.239.92

    Bell Canada

    AS577

    Gatineau

    45.4772, -75.7016

    100% uptime

    103ms
    |
    0ms
    |
    132ms
  • 199.102.204.143

    Cogeco Connexion inc

    AS11290

    Gatineau

    45.4772, -75.7016

    100% uptime

    110ms
    |
    1ms
    |
    141ms
  • 184.148.62.46

    Bell Canada

    AS577

    Gloucester

    45.3500, -75.6333

    94% uptime

    109ms
    |
    15ms
    |
    134ms
  • 148.170.140.29

    EastLink

    AS11260

    Goderich

    43.7417, -81.7134

    100% uptime

    109ms
    |
    1ms
    |
    50ms
  • 76.67.153.242

    Bell Canada

    AS577

    Granby

    45.4001, -72.7324

    100% uptime

    109ms
    |
    1ms
    |
    30ms
  • 76.69.221.58

    Bell Canada

    AS577

    Granby

    45.4001, -72.7324

    100% uptime

    106ms
    |
    0ms
    |
    81ms
  • 209.52.39.137

    TELUS Communications Inc.

    AS852

    Granisle

    54.8831, -126.2201

    100% uptime

    190ms
    |
    8ms
    |
    34ms
  • 24.235.36.54

    EastLink

    AS11260

    Greater Sudbury

    46.4900, -80.9900

    100% uptime

    109ms
    |
    3ms
    |
    114ms
  • 67.204.194.126

    EastLink

    AS11260

    Greater Sudbury

    46.4900, -80.9900

    100% uptime

    109ms
    |
    2ms
    |
    154ms
  • 24.36.216.136

    Cogeco Connexion Inc.

    AS7992

    Grimsby

    43.2001, -79.5663

    100% uptime

    121ms
    |
    2ms
    |
    170ms
  • 38.20.194.14

    Purple Cow Internet Inc

    AS397545

    Halifax

    44.6427, -63.5769

    94% uptime

    132ms
    |
    4ms
    |
    129ms
  • 38.39.200.154

    Purple Cow Internet Inc

    AS397545

    Halifax

    44.6427, -63.5769

    99% uptime

    126ms
    |
    7ms
    |
    204ms
  • 156.57.124.34

    Bell Canada

    AS577

    Halifax

    44.6427, -63.5769

    100% uptime

    110ms
    |
    0ms
    |
    94ms
  • 24.157.112.140

    Cogeco Connexion Inc.

    AS7992

    Halton Hills

    43.6403, -79.9315

    100% uptime

    111ms
    |
    1ms
    |
    153ms
  • 24.150.94.248

    Cogeco Connexion Inc.

    AS7992

    Hamilton

    43.2501, -79.8496

    98% uptime

    119ms
    |
    1ms
    |
    168ms
  • 38.86.12.49

    OXIO

    AS398721

    Hamilton

    43.2501, -79.8496

    100% uptime

    120ms
    |
    9ms
    |
    136ms
  • 64.32.40.82

    Halton Datacenter Inc.

    AS395322

    Hamilton

    43.2501, -79.8496

    100% uptime

    97ms
    |
    2ms
    |
    66ms
  • 99.209.8.66

    Rogers Communications Canada Inc.

    AS812

    Hamilton

    43.2501, -79.8496

    100% uptime

    95ms
    |
    0ms
    |
    128ms
  • 99.236.101.144

    Rogers Communications Canada Inc.

    AS812

    Hamilton

    43.2501, -79.8496

    94% uptime

    115ms
    |
    2ms
    |
    94ms
  • 108.162.115.244

    Cogeco Connexion Inc.

    AS7992

    Hamilton

    43.2501, -79.8496

    99% uptime

    117ms
    |
    6ms
    |
    161ms
  • 173.238.20.110

    Cogeco Connexion Inc.

    AS7992

    Hamilton

    43.2501, -79.8496

    100% uptime

    127ms
    |
    4ms
    |
    191ms
  • 173.238.74.122

    Cogeco Connexion Inc.

    AS7992

    Hamilton

    43.2501, -79.8496

    99% uptime

    122ms
    |
    2ms
    |
    179ms
  • 216.221.88.92

    Cogeco Connexion Inc.

    AS7992

    Hamilton

    43.2501, -79.8496

    100% uptime

    110ms
    |
    2ms
    |
    160ms
  • 74.220.173.242

    Wightman Telecom

    AS29974

    Hanover

    44.1501, -81.0330

    100% uptime

    101ms
    |
    12ms
    |
    137ms
  • 170.10.249.157

    Altima Telecom

    AS22423

    Happy Valley-Goose Bay

    53.3038, -60.3258

    98% uptime

    145ms
    |
    2ms
    |
    258ms
  • 68.69.129.202

    Wightman Telecom

    AS29974

    Harriston

    43.9120, -80.8720

    100% uptime

    97ms
    |
    0ms
    |
    128ms
  • 216.110.250.53

    Wightman Telecom

    AS29974

    Harriston

    43.9120, -80.8720

    100% uptime

    103ms
    |
    0ms
    |
    48ms
  • 192.199.58.12

    ATG Arrow Technology Group Limited Partnership

    AS13804

    High Prairie

    55.4334, -116.4858

    94% uptime

    162ms
    |
    1ms
    |
    266ms
  • 192.199.58.117

    ATG Arrow Technology Group Limited Partnership

    AS13804

    High Prairie

    55.4334, -116.4858

    100% uptime

    177ms
    |
    4ms
    |
    315ms
  • 162.222.137.230

    Provision Data Systems Inc.

    AS25999

    Kelowna

    49.8831, -119.4857

    100% uptime

    158ms
    |
    1ms
    |
    198ms
  • 172.103.206.168

    Cipherkey Exchange Corp.

    AS25668

    Kelowna

    49.8831, -119.4857

    100% uptime

    155ms
    |
    15ms
    |
    61ms
  • 184.68.60.166

    Shaw Communications

    AS6327

    Kelowna

    49.8831, -119.4857

    100% uptime

    177ms
    |
    1ms
    |
    328ms
  • 208.181.238.195

    TELUS Communications Inc.

    AS852

    Kelowna

    49.8831, -119.4857

    100% uptime

    164ms
    |
    3ms
    |
    201ms
  • 207.182.0.11

    CCL Networks Inc

    AS396125

    Kerrobert

    51.9168, -109.1348

    100% uptime

    148ms
    |
    10ms
    |
    205ms
  • 209.91.172.210

    Vianet Inc.

    AS5690

    Killarney

    45.9726, -81.5109

    99% uptime

    98ms
    |
    4ms
    |
    78ms
  • 23.171.208.63

    SpeedFI Inc.

    AS399226

    Kingston

    44.2298, -76.4810

    98% uptime

    104ms
    |
    1ms
    |
    114ms
  • 67.193.253.117

    Cogeco Connexion Inc.

    AS7992

    Kingston

    44.2298, -76.4810

    98% uptime

    122ms
    |
    4ms
    |
    170ms
  • 149.115.72.233

    OXIO

    AS398721

    Kitchener

    43.4254, -80.5112

    99% uptime

    126ms
    |
    12ms
    |
    149ms
  • 192.199.57.75

    ATG Arrow Technology Group Limited Partnership

    AS13804

    La CrĂȘte

    58.1835, -116.4027

    100% uptime

    170ms
    |
    1ms
    |
    295ms
  • 192.199.57.245

    ATG Arrow Technology Group Limited Partnership

    AS13804

    La CrĂȘte

    58.1835, -116.4027

    94% uptime

    171ms
    |
    1ms
    |
    294ms
  • 57.134.134.44

    Cogeco Connexion Inc.

    AS7992

    Leamington

    42.0501, -82.5998

    99% uptime

    114ms
    |
    9ms
    |
    143ms
  • 70.55.243.99

    Bell Canada

    AS577

    London

    42.9834, -81.2330

    100% uptime

    132ms
    |
    0ms
    |
    133ms
  • 142.47.140.11

    Hydro One Telecom Inc.

    AS19752

    London

    42.9834, -81.2330

    100% uptime

    108ms
    |
    1ms
    |
    125ms