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

  • 162.255.112.153

    Start Communications

    AS40788

    London

    42.9834, -81.2330

    99% uptime

    104ms
    |
    2ms
    |
    158ms
  • 207.134.96.123

    TELUS Communications Inc.

    AS852

    Longueuil

    45.5152, -73.4682

    100% uptime

    114ms
    |
    0ms
    |
    142ms
  • 108.171.81.214

    Cogeco Connexion inc

    AS11290

    Magog

    45.2668, -72.1491

    100% uptime

    117ms
    |
    2ms
    |
    175ms
  • 170.52.77.116

    Carrytel

    AS395965

    Markham

    43.8668, -79.2663

    100% uptime

    116ms
    |
    2ms
    |
    223ms
  • 209.202.204.116

    Carrytel

    AS395965

    Markham

    43.8668, -79.2663

    98% uptime

    112ms
    |
    41ms
    |
    143ms
  • 66.159.112.130

    Vianet Inc.

    AS5690

    Midland

    44.7501, -79.8830

    100% uptime

    95ms
    |
    0ms
    |
    77ms
  • 98.124.16.28

    Nexicom Inc.

    AS11666

    Millbrook

    44.1501, -78.4495

    100% uptime

    100ms
    |
    4ms
    |
    136ms
  • 72.39.60.165

    Cogeco Connexion Inc.

    AS7992

    Milton

    43.5168, -79.8829

    99% uptime

    120ms
    |
    3ms
    |
    178ms
  • 38.64.202.140

    Cogent Communications, LLC

    AS174

    Mississauga

    43.5789, -79.6583

    100% uptime

    107ms
    |
    1ms
    |
    122ms
  • 38.80.105.235

    OXIO

    AS398721

    Mississauga

    43.5789, -79.6583

    100% uptime

    123ms
    |
    3ms
    |
    158ms
  • 38.80.105.240

    OXIO

    AS398721

    Mississauga

    43.5789, -79.6583

    100% uptime

    124ms
    |
    4ms
    |
    152ms
  • 67.71.200.194

    Bell Canada

    AS577

    Mississauga

    43.5789, -79.6583

    100% uptime

    125ms
    |
    0ms
    |
    104ms
  • 67.226.156.49

    TeraGo Networks Inc.

    AS20161

    Mississauga

    43.5789, -79.6583

    98% uptime

    95ms
    |
    3ms
    |
    80ms
  • 68.70.150.51

    Galaxy Broadband Communications Inc.

    AS14500

    Mississauga

    43.5789, -79.6583

    100% uptime

    100ms
    |
    0ms
    |
    48ms
  • 204.225.119.5

    1651884 Ontario Inc.

    AS40028

    Mississauga

    43.5789, -79.6583

    100% uptime

    114ms
    |
    0ms
    |
    220ms
  • 204.225.119.15

    1651884 Ontario Inc.

    AS40028

    Mississauga

    43.5789, -79.6583

    99% uptime

    106ms
    |
    8ms
    |
    191ms
  • 142.68.150.26

    Bell Canada

    AS577

    Moncton

    46.0945, -64.7965

    100% uptime

    111ms
    |
    0ms
    |
    153ms
  • 3.99.162.238

    Amazon.com, Inc.

    AS16509

    Montréal

    45.5088, -73.5878

    100% uptime

    109ms
    |
    0ms
    |
    125ms
  • 23.137.0.209

    Microcom Informatique, Inc.

    AS395214

    Montréal

    45.5088, -73.5878

    99% uptime

    102ms
    |
    2ms
    |
    136ms
  • 23.137.0.225

    Microcom Informatique, Inc.

    AS395214

    Montréal

    45.5088, -73.5878

    100% uptime

    102ms
    |
    1ms
    |
    139ms
  • 23.137.0.245

    Microcom Informatique, Inc.

    AS395214

    Montréal

    45.5088, -73.5878

    100% uptime

    102ms
    |
    1ms
    |
    147ms
  • 23.137.0.253

    Microcom Informatique, Inc.

    AS395214

    Montréal

    45.5088, -73.5878

    98% uptime

    102ms
    |
    3ms
    |
    137ms
  • 23.156.24.13

    OVH SAS

    AS16276

    Montréal

    45.5088, -73.5878

    99% uptime

    92ms
    |
    2ms
    |
    130ms
  • 24.37.208.50

    Videotron Ltee

    AS5769

    Montréal

    45.5088, -73.5878

    94% uptime

    111ms
    |
    3ms
    |
    104ms
  • 24.37.219.202

    Videotron Ltee

    AS5769

    Montréal

    45.5088, -73.5878

    98% uptime

    106ms
    |
    3ms
    |
    48ms
  • 24.37.240.146

    Videotron Ltee

    AS5769

    Montréal

    45.5088, -73.5878

    94% uptime

    108ms
    |
    2ms
    |
    116ms
  • 38.3.68.148

    OXIO

    AS398721

    Montréal

    45.5088, -73.5878

    94% uptime

    129ms
    |
    1ms
    |
    150ms
  • 38.3.70.200

    OXIO

    AS398721

    Montréal

    45.5088, -73.5878

    99% uptime

    120ms
    |
    2ms
    |
    156ms
  • 38.3.74.95

    OXIO

    AS398721

    Montréal

    45.5088, -73.5878

    100% uptime

    127ms
    |
    1ms
    |
    174ms
  • 38.3.97.250

    OXIO

    AS398721

    Montréal

    45.5088, -73.5878

    94% uptime

    122ms
    |
    7ms
    |
    112ms
  • 38.3.103.123

    OXIO

    AS398721

    Montréal

    45.5088, -73.5878

    100% uptime

    123ms
    |
    2ms
    |
    176ms
  • 38.3.107.23

    OXIO

    AS398721

    Montréal

    45.5088, -73.5878

    100% uptime

    123ms
    |
    1ms
    |
    150ms
  • 38.3.117.144

    OXIO

    AS398721

    Montréal

    45.5088, -73.5878

    100% uptime

    118ms
    |
    1ms
    |
    184ms
  • 38.29.143.240

    OXIO

    AS398721

    Montréal

    45.5088, -73.5878

    100% uptime

    139ms
    |
    1ms
    |
    90ms
  • 38.49.210.85

    Rica Web Services

    AS26832

    Montréal

    45.5088, -73.5878

    98% uptime

    98ms
    |
    0ms
    |
    164ms
  • 38.85.168.206

    OXIO

    AS398721

    Montréal

    45.5088, -73.5878

    100% uptime

    116ms
    |
    1ms
    |
    142ms
  • 38.85.177.234

    OXIO

    AS398721

    Montréal

    45.5088, -73.5878

    100% uptime

    124ms
    |
    2ms
    |
    144ms
  • 45.154.204.17

    BrainStorm Network, Inc

    AS136258

    Montréal

    45.5088, -73.5878

    88% uptime

    96ms
    |
    22ms
    |
    72ms
  • 50.21.161.145

    Metro Optic

    AS29909

    Montréal

    45.5088, -73.5878

    98% uptime

    103ms
    |
    1ms
    |
    125ms
  • 50.21.163.19

    Metro Optic

    AS29909

    Montréal

    45.5088, -73.5878

    100% uptime

    103ms
    |
    0ms
    |
    123ms
  • 50.21.173.241

    Metro Optic

    AS29909

    Montréal

    45.5088, -73.5878

    98% uptime

    103ms
    |
    0ms
    |
    125ms
  • 50.21.175.33

    Metro Optic

    AS29909

    Montréal

    45.5088, -73.5878

    100% uptime

    103ms
    |
    0ms
    |
    131ms
  • 54.39.18.146

    OVH SAS

    AS16276

    Montréal

    45.5088, -73.5878

    98% uptime

    101ms
    |
    1ms
    |
    102ms
  • 54.39.195.160

    OVH SAS

    AS16276

    Montréal

    45.5088, -73.5878

    99% uptime

    91ms
    |
    1ms
    |
    120ms
  • 66.163.113.15

    GLOBALTELEHOST Corp.

    AS62563

    Montréal

    45.5088, -73.5878

    100% uptime

    92ms
    |
    2ms
    |
    112ms
  • 69.70.76.51

    Videotron Ltee

    AS5769

    Montréal

    45.5088, -73.5878

    98% uptime

    111ms
    |
    2ms
    |
    130ms
  • 69.70.117.166

    Videotron Ltee

    AS5769

    Montréal

    45.5088, -73.5878

    100% uptime

    110ms
    |
    1ms
    |
    145ms
  • 69.70.117.242

    Videotron Ltee

    AS5769

    Montréal

    45.5088, -73.5878

    100% uptime

    117ms
    |
    2ms
    |
    78ms
  • 69.80.228.5

    eStruxture Data Centers Inc.

    AS10929

    Montréal

    45.5088, -73.5878

    100% uptime

    97ms
    |
    0ms
    |
    102ms
  • 69.80.228.50

    eStruxture Data Centers Inc.

    AS10929

    Montréal

    45.5088, -73.5878

    100% uptime

    98ms
    |
    1ms
    |
    124ms
  • 70.30.235.206

    Bell Canada

    AS577

    Montréal

    45.5088, -73.5878

    100% uptime

    104ms
    |
    1ms
    |
    56ms
  • 70.52.1.172

    Bell Canada

    AS577

    Montréal

    45.5088, -73.5878

    100% uptime

    110ms
    |
    1ms
    |
    63ms
  • 70.52.60.180

    Bell Canada

    AS577

    Montréal

    45.5088, -73.5878

    98% uptime

    107ms
    |
    2ms
    |
    29ms
  • 75.98.138.245

    Videotron Ltee

    AS22652

    Montréal

    45.5088, -73.5878

    88% uptime

    100ms
    |
    0ms
    |
    131ms
  • 96.21.141.2

    Videotron Ltee

    AS5769

    Montréal

    45.5088, -73.5878

    94% uptime

    124ms
    |
    5ms
    |
    162ms
  • 104.159.117.209

    Altima Telecom

    AS22423

    Montréal

    45.5088, -73.5878

    100% uptime

    104ms
    |
    2ms
    |
    152ms
  • 104.167.218.234

    Hive Data Center Inc.

    AS33185

    Montréal

    45.5088, -73.5878

    99% uptime

    121ms
    |
    5ms
    |
    104ms
  • 107.161.12.122

    Videotron Ltee

    AS22652

    Montréal

    45.5088, -73.5878

    100% uptime

    100ms
    |
    0ms
    |
    141ms
  • 107.161.12.123

    Videotron Ltee

    AS22652

    Montréal

    45.5088, -73.5878

    100% uptime

    100ms
    |
    0ms
    |
    138ms
  • 107.161.12.125

    Videotron Ltee

    AS22652

    Montréal

    45.5088, -73.5878

    100% uptime

    100ms
    |
    0ms
    |
    152ms
  • 135.0.233.140

    CIK Telecom INC

    AS54614

    Montréal

    45.5088, -73.5878

    100% uptime

    110ms
    |
    2ms
    |
    152ms
  • 142.44.138.61

    OVH SAS

    AS16276

    Montréal

    45.5088, -73.5878

    100% uptime

    92ms
    |
    3ms
    |
    174ms
  • 142.44.180.26

    OVH SAS

    AS16276

    Montréal

    45.5088, -73.5878

    100% uptime

    98ms
    |
    0ms
    |
    168ms
  • 142.44.212.34

    OVH SAS

    AS16276

    Montréal

    45.5088, -73.5878

    99% uptime

    94ms
    |
    2ms
    |
    141ms
  • 142.112.57.134

    Bell Canada

    AS577

    Montréal

    45.5088, -73.5878

    100% uptime

    105ms
    |
    0ms
    |
    56ms
  • 143.105.200.206

    Space Exploration Technologies Corporation

    AS14593

    Montréal

    45.5088, -73.5878

    99% uptime

    112ms
    |
    6ms
    |
    110ms
  • 144.172.163.21

    Videotron Ltee

    AS5769

    Montréal

    45.5088, -73.5878

    99% uptime

    109ms
    |
    3ms
    |
    142ms
  • 147.253.139.102

    Videotron Ltee

    AS5769

    Montréal

    45.5088, -73.5878

    94% uptime

    110ms
    |
    2ms
    |
    125ms
  • 149.115.88.254

    OXIO

    AS398721

    Montréal

    45.5088, -73.5878

    99% uptime

    116ms
    |
    2ms
    |
    162ms
  • 149.115.194.151

    OXIO

    AS398721

    Montréal

    45.5088, -73.5878

    98% uptime

    118ms
    |
    2ms
    |
    158ms
  • 149.115.198.188

    OXIO

    AS398721

    Montréal

    45.5088, -73.5878

    100% uptime

    138ms
    |
    2ms
    |
    147ms
  • 149.115.202.80

    OXIO

    AS398721

    Montréal

    45.5088, -73.5878

    100% uptime

    119ms
    |
    1ms
    |
    157ms
  • 149.115.202.147

    OXIO

    AS398721

    Montréal

    45.5088, -73.5878

    94% uptime

    116ms
    |
    1ms
    |
    112ms
  • 149.115.203.198

    OXIO

    AS398721

    Montréal

    45.5088, -73.5878

    100% uptime

    118ms
    |
    2ms
    |
    164ms
  • 149.115.206.229

    OXIO

    AS398721

    Montréal

    45.5088, -73.5878

    94% uptime

    120ms
    |
    1ms
    |
    172ms
  • 149.115.207.37

    OXIO

    AS398721

    Montréal

    45.5088, -73.5878

    100% uptime

    122ms
    |
    2ms
    |
    167ms
  • 154.12.119.9

    Rica Web Services

    AS26832

    Montréal

    45.5088, -73.5878

    98% uptime

    98ms
    |
    1ms
    |
    170ms
  • 155.248.232.226

    Oracle Corporation

    AS31898

    Montréal

    45.5088, -73.5878

    88% uptime

    103ms
    |
    0ms
    |
    192ms
  • 168.138.71.0

    Oracle Corporation

    AS31898

    Montréal

    45.5088, -73.5878

    99% uptime

    103ms
    |
    0ms
    |
    168ms
  • 172.82.108.1

    Microcom Informatique, Inc.

    AS395214

    Montréal

    45.5088, -73.5878

    98% uptime

    102ms
    |
    2ms
    |
    150ms
  • 172.82.108.2

    Microcom Informatique, Inc.

    AS395214

    Montréal

    45.5088, -73.5878

    100% uptime

    102ms
    |
    2ms
    |
    135ms
  • 172.99.156.1

    Securitech Systems Inc.

    AS398982

    Montréal

    45.5088, -73.5878

    99% uptime

    121ms
    |
    5ms
    |
    50ms
  • 172.99.156.41

    Securitech Systems Inc.

    AS398982

    Montréal

    45.5088, -73.5878

    99% uptime

    103ms
    |
    3ms
    |
    41ms
  • 172.99.156.81

    Securitech Systems Inc.

    AS398982

    Montréal

    45.5088, -73.5878

    100% uptime

    103ms
    |
    3ms
    |
    26ms
  • 173.176.29.22

    Videotron Ltee

    AS5769

    Montréal

    45.5088, -73.5878

    100% uptime

    110ms
    |
    1ms
    |
    71ms
  • 173.206.252.37

    EBOX

    AS1403

    Montréal

    45.5088, -73.5878

    100% uptime

    121ms
    |
    1ms
    |
    164ms
  • 184.95.217.90

    Videotron Ltee

    AS22652

    Montréal

    45.5088, -73.5878

    100% uptime

    103ms
    |
    0ms
    |
    65ms
  • 184.107.83.236

    Leaseweb Canada Inc.

    AS32613

    Montréal

    45.5088, -73.5878

    99% uptime

    101ms
    |
    2ms
    |
    66ms
  • 184.107.122.144

    Leaseweb Canada Inc.

    AS32613

    Montréal

    45.5088, -73.5878

    94% uptime

    96ms
    |
    0ms
    |
    113ms
  • 184.107.135.130

    Leaseweb Canada Inc.

    AS32613

    Montréal

    45.5088, -73.5878

    100% uptime

    96ms
    |
    0ms
    |
    65ms
  • 184.107.178.248

    Leaseweb Canada Inc.

    AS32613

    Montréal

    45.5088, -73.5878

    98% uptime

    100ms
    |
    2ms
    |
    62ms
  • 184.107.184.80

    Leaseweb Canada Inc.

    AS32613

    Montréal

    45.5088, -73.5878

    100% uptime

    96ms
    |
    0ms
    |
    56ms
  • 184.107.184.81

    Leaseweb Canada Inc.

    AS32613

    Montréal

    45.5088, -73.5878

    100% uptime

    100ms
    |
    2ms
    |
    68ms
  • 184.160.93.92

    Videotron Ltee

    AS5769

    Montréal

    45.5088, -73.5878

    100% uptime

    108ms
    |
    1ms
    |
    33ms
  • 184.161.245.108

    Videotron Ltee

    AS5769

    Montréal

    45.5088, -73.5878

    100% uptime

    119ms
    |
    2ms
    |
    144ms
  • 192.40.30.130

    Atwab Inc.

    AS402000

    Montréal

    45.5088, -73.5878

    100% uptime

    95ms
    |
    2ms
    |
    37ms
  • 192.40.30.131

    Atwab Inc.

    AS402000

    Montréal

    45.5088, -73.5878

    100% uptime

    100ms
    |
    3ms
    |
    42ms
  • 192.99.7.170

    OVH SAS

    AS16276

    Montréal

    45.5088, -73.5878

    100% uptime

    95ms
    |
    0ms
    |
    51ms
  • 192.99.69.165

    OVH SAS

    AS16276

    Montréal

    45.5088, -73.5878

    100% uptime

    98ms
    |
    0ms
    |
    56ms
  • 192.99.83.29

    OVH SAS

    AS16276

    Montréal

    45.5088, -73.5878

    100% uptime

    91ms
    |
    0ms
    |
    172ms