DNS Servers

Czechia 304 local DNS servers

Download list

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

  • 185.113.29.52

    AdGuard Software Limited

    AS212772

    Prague

    50.0880, 14.4208

    98% uptime

    11ms
    |
    0ms
    |
    2ms
  • 185.113.29.67

    AdGuard Software Limited

    AS212772

    Prague

    50.0880, 14.4208

    100% uptime

    11ms
    |
    1ms
    |
    41ms
  • 185.113.29.180

    AdGuard Software Limited

    AS212772

    Prague

    50.0880, 14.4208

    98% uptime

    10ms
    |
    0ms
    |
    37ms
  • 185.113.29.181

    AdGuard Software Limited

    AS212772

    Prague

    50.0880, 14.4208

    98% uptime

    10ms
    |
    0ms
    |
    40ms
  • 185.168.149.11

    Vodafone Czech Republic a.s.

    AS16019

    Prague

    50.0880, 14.4208

    100% uptime

    4ms
    |
    0ms
    |
    24ms
  • 185.201.12.74

    CEZNET s.r.o.

    AS204064

    Prague

    50.0880, 14.4208

    98% uptime

    14ms
    |
    2ms
    |
    34ms
  • 188.119.98.70

    ORIGINAL AS CZ-NORDICTELECOMREGIONAL

    AS42908

    Prague

    50.0880, 14.4208

    100% uptime

    12ms
    |
    3ms
    |
    32ms
  • 193.17.47.1

    CZ.NIC, z.s.p.o.

    AS20701

    Prague

    50.0880, 14.4208

    100% uptime

    13ms
    |
    4ms
    |
    50ms
  • 193.165.122.230

    PODA a.s.

    AS30764

    Prague

    50.0880, 14.4208

    97% uptime

    15ms
    |
    1ms
    |
    109ms
  • 193.165.179.82

    PODA a.s.

    AS30764

    Prague

    50.0880, 14.4208

    100% uptime

    15ms
    |
    1ms
    |
    42ms
  • 193.165.186.226

    PODA a.s.

    AS30764

    Prague

    50.0880, 14.4208

    100% uptime

    15ms
    |
    1ms
    |
    97ms
  • 193.179.38.143

    T-Mobile Czech Republic a.s.

    AS13036

    Prague

    50.0880, 14.4208

    98% uptime

    6ms
    |
    0ms
    |
    33ms
  • 194.182.84.172

    INTERNET CZ, a.s.

    AS24806

    Prague

    50.0880, 14.4208

    96% uptime

    8ms
    |
    3ms
    |
    36ms
  • 194.228.92.174

    O2 Czech Republic, a.s.

    AS5610

    Prague

    50.0880, 14.4208

    100% uptime

    13ms
    |
    3ms
    |
    23ms
  • 194.228.92.190

    O2 Czech Republic, a.s.

    AS5610

    Prague

    50.0880, 14.4208

    100% uptime

    13ms
    |
    2ms
    |
    23ms
  • 194.228.92.206

    O2 Czech Republic, a.s.

    AS5610

    Prague

    50.0880, 14.4208

    100% uptime

    13ms
    |
    3ms
    |
    23ms
  • 194.228.92.222

    O2 Czech Republic, a.s.

    AS5610

    Prague

    50.0880, 14.4208

    100% uptime

    13ms
    |
    2ms
    |
    25ms
  • 195.47.25.9

    T-Mobile Czech Republic a.s.

    AS13036

    Prague

    50.0880, 14.4208

    97% uptime

    20ms
    |
    1ms
    |
    68ms
  • 195.123.246.163

    GREEN FLOID LLC

    AS204957

    Prague

    50.0880, 14.4208

    98% uptime

    9ms
    |
    1ms
    |
    21ms
  • 195.123.246.224

    GREEN FLOID LLC

    AS204957

    Prague

    50.0880, 14.4208

    100% uptime

    11ms
    |
    1ms
    |
    32ms
  • 213.168.182.3

    Dragon Internet a.s.

    AS15614

    Prague

    50.0880, 14.4208

    100% uptime

    10ms
    |
    1ms
    |
    20ms
  • 217.16.183.137

    VSHosting s.r.o.

    AS43541

    Prague

    50.0880, 14.4208

    98% uptime

    8ms
    |
    3ms
    |
    22ms
  • 217.31.60.7

    Webglobe, s.r.o.

    AS29134

    Prague

    50.0880, 14.4208

    100% uptime

    7ms
    |
    3ms
    |
    6ms
  • 217.197.144.22

    ORIGINAL AS CZ-NORDICTELECOMREGIONAL

    AS42908

    Prague

    50.0880, 14.4208

    100% uptime

    8ms
    |
    3ms
    |
    20ms
  • 217.197.151.185

    ORIGINAL AS CZ-NORDICTELECOMREGIONAL

    AS42908

    Prague

    50.0880, 14.4208

    98% uptime

    18ms
    |
    3ms
    |
    47ms
  • 217.197.151.188

    ORIGINAL AS CZ-NORDICTELECOMREGIONAL

    AS42908

    Prague

    50.0880, 14.4208

    97% uptime

    18ms
    |
    3ms
    |
    47ms
  • 185.16.81.222

    Netcom Solutions s.r.o.

    AS206703

    Předklášteří

    49.3525, 16.4024

    100% uptime

    15ms
    |
    0ms
    |
    48ms
  • 77.242.94.130

    O2 Czech Republic, a.s.

    AS41046

    Přerov

    49.4551, 17.4509

    100% uptime

    16ms
    |
    3ms
    |
    80ms
  • 90.182.12.83

    O2 Czech Republic, a.s.

    AS5610

    Příbram

    49.6899, 14.0104

    83% uptime

    16ms
    |
    3ms
    |
    50ms
  • 90.183.33.50

    O2 Czech Republic, a.s.

    AS5610

    Příbram

    49.6899, 14.0104

    98% uptime

    21ms
    |
    3ms
    |
    78ms
  • 217.197.151.178

    ORIGINAL AS CZ-NORDICTELECOMREGIONAL

    AS42908

    Prosenice

    49.4918, 17.4849

    98% uptime

    13ms
    |
    3ms
    |
    48ms
  • 217.197.151.179

    ORIGINAL AS CZ-NORDICTELECOMREGIONAL

    AS42908

    Prosenice

    49.4918, 17.4849

    98% uptime

    13ms
    |
    3ms
    |
    48ms
  • 217.197.151.180

    ORIGINAL AS CZ-NORDICTELECOMREGIONAL

    AS42908

    Prosenice

    49.4918, 17.4849

    97% uptime

    19ms
    |
    4ms
    |
    46ms
  • 217.197.151.181

    ORIGINAL AS CZ-NORDICTELECOMREGIONAL

    AS42908

    Prosenice

    49.4918, 17.4849

    97% uptime

    18ms
    |
    3ms
    |
    42ms
  • 217.197.151.184

    ORIGINAL AS CZ-NORDICTELECOMREGIONAL

    AS42908

    Prosenice

    49.4918, 17.4849

    98% uptime

    13ms
    |
    3ms
    |
    47ms
  • 217.197.151.186

    ORIGINAL AS CZ-NORDICTELECOMREGIONAL

    AS42908

    Prosenice

    49.4918, 17.4849

    97% uptime

    18ms
    |
    3ms
    |
    47ms
  • 217.197.151.190

    ORIGINAL AS CZ-NORDICTELECOMREGIONAL

    AS42908

    Prosenice

    49.4918, 17.4849

    98% uptime

    13ms
    |
    3ms
    |
    47ms
  • 46.33.96.33

    Quantcom, a.s.

    AS29208

    Prostějov

    49.4719, 17.1118

    92% uptime

    14ms
    |
    0ms
    |
    39ms
  • 46.33.96.38

    Quantcom, a.s.

    AS29208

    Prostějov

    49.4719, 17.1118

    100% uptime

    14ms
    |
    0ms
    |
    38ms
  • 46.33.96.39

    Quantcom, a.s.

    AS29208

    Prostějov

    49.4719, 17.1118

    100% uptime

    14ms
    |
    0ms
    |
    39ms
  • 46.33.96.48

    Quantcom, a.s.

    AS29208

    Prostějov

    49.4719, 17.1118

    100% uptime

    14ms
    |
    0ms
    |
    38ms
  • 46.33.96.49

    Quantcom, a.s.

    AS29208

    Prostějov

    49.4719, 17.1118

    100% uptime

    14ms
    |
    0ms
    |
    38ms
  • 46.33.96.55

    Quantcom, a.s.

    AS29208

    Prostějov

    49.4719, 17.1118

    100% uptime

    14ms
    |
    0ms
    |
    40ms
  • 46.33.96.57

    Quantcom, a.s.

    AS29208

    Prostějov

    49.4719, 17.1118

    92% uptime

    14ms
    |
    0ms
    |
    15ms
  • 46.33.96.58

    Quantcom, a.s.

    AS29208

    Prostějov

    49.4719, 17.1118

    98% uptime

    14ms
    |
    0ms
    |
    39ms
  • 46.33.96.62

    Quantcom, a.s.

    AS29208

    Prostějov

    49.4719, 17.1118

    92% uptime

    14ms
    |
    0ms
    |
    39ms
  • 46.33.97.65

    Quantcom, a.s.

    AS29208

    Prostějov

    49.4719, 17.1118

    100% uptime

    14ms
    |
    0ms
    |
    39ms
  • 46.33.99.1

    Quantcom, a.s.

    AS29208

    Prostějov

    49.4719, 17.1118

    98% uptime

    14ms
    |
    0ms
    |
    41ms
  • 46.33.99.65

    Quantcom, a.s.

    AS29208

    Prostějov

    49.4719, 17.1118

    96% uptime

    14ms
    |
    0ms
    |
    57ms
  • 46.33.99.161

    Quantcom, a.s.

    AS29208

    Prostějov

    49.4719, 17.1118

    100% uptime

    14ms
    |
    0ms
    |
    39ms
  • 46.33.100.1

    Quantcom, a.s.

    AS29208

    Prostějov

    49.4719, 17.1118

    92% uptime

    14ms
    |
    0ms
    |
    50ms
  • 46.33.100.65

    Quantcom, a.s.

    AS29208

    Prostějov

    49.4719, 17.1118

    92% uptime

    14ms
    |
    0ms
    |
    15ms
  • 46.33.101.65

    Quantcom, a.s.

    AS29208

    Prostějov

    49.4719, 17.1118

    92% uptime

    14ms
    |
    0ms
    |
    40ms
  • 46.33.101.147

    Quantcom, a.s.

    AS29208

    Prostějov

    49.4719, 17.1118

    98% uptime

    15ms
    |
    1ms
    |
    91ms
  • 46.33.101.161

    Quantcom, a.s.

    AS29208

    Prostějov

    49.4719, 17.1118

    97% uptime

    14ms
    |
    0ms
    |
    15ms
  • 46.33.105.1

    Quantcom, a.s.

    AS29208

    Prostějov

    49.4719, 17.1118

    92% uptime

    14ms
    |
    0ms
    |
    40ms
  • 46.33.105.33

    Quantcom, a.s.

    AS29208

    Prostějov

    49.4719, 17.1118

    100% uptime

    14ms
    |
    0ms
    |
    40ms
  • 46.33.106.81

    Quantcom, a.s.

    AS29208

    Prostějov

    49.4719, 17.1118

    98% uptime

    14ms
    |
    0ms
    |
    39ms
  • 46.33.106.129

    Quantcom, a.s.

    AS29208

    Prostějov

    49.4719, 17.1118

    100% uptime

    14ms
    |
    0ms
    |
    38ms
  • 46.33.106.161

    Quantcom, a.s.

    AS29208

    Prostějov

    49.4719, 17.1118

    98% uptime

    14ms
    |
    0ms
    |
    39ms
  • 46.33.107.17

    Quantcom, a.s.

    AS29208

    Prostějov

    49.4719, 17.1118

    100% uptime

    14ms
    |
    0ms
    |
    38ms
  • 46.33.107.129

    Quantcom, a.s.

    AS29208

    Prostějov

    49.4719, 17.1118

    92% uptime

    14ms
    |
    0ms
    |
    40ms
  • 46.33.113.22

    Quantcom, a.s.

    AS29208

    Prostějov

    49.4719, 17.1118

    97% uptime

    15ms
    |
    0ms
    |
    68ms
  • 46.33.115.97

    Quantcom, a.s.

    AS29208

    Prostějov

    49.4719, 17.1118

    97% uptime

    14ms
    |
    0ms
    |
    39ms
  • 46.33.115.145

    Quantcom, a.s.

    AS29208

    Prostějov

    49.4719, 17.1118

    98% uptime

    14ms
    |
    0ms
    |
    40ms
  • 46.33.116.17

    Quantcom, a.s.

    AS29208

    Prostějov

    49.4719, 17.1118

    100% uptime

    14ms
    |
    0ms
    |
    40ms
  • 46.33.116.49

    Quantcom, a.s.

    AS29208

    Prostějov

    49.4719, 17.1118

    92% uptime

    14ms
    |
    0ms
    |
    38ms
  • 46.33.116.129

    Quantcom, a.s.

    AS29208

    Prostějov

    49.4719, 17.1118

    97% uptime

    14ms
    |
    0ms
    |
    40ms
  • 46.33.116.161

    Quantcom, a.s.

    AS29208

    Prostějov

    49.4719, 17.1118

    98% uptime

    14ms
    |
    0ms
    |
    40ms
  • 46.33.116.177

    Quantcom, a.s.

    AS29208

    Prostějov

    49.4719, 17.1118

    100% uptime

    14ms
    |
    0ms
    |
    40ms
  • 46.33.116.201

    Quantcom, a.s.

    AS29208

    Prostějov

    49.4719, 17.1118

    97% uptime

    14ms
    |
    0ms
    |
    40ms
  • 85.163.87.122

    CETIN a.s.

    AS28725

    Radimovice u Tábora

    49.4573, 14.6390

    100% uptime

    18ms
    |
    1ms
    |
    80ms
  • 185.14.233.39

    INTERCONNECT s.r.o.

    AS199490

    Říčany

    49.9917, 14.6543

    92% uptime

    15ms
    |
    1ms
    |
    54ms
  • 188.75.189.249

    PODA a.s.

    AS196735

    Šebrov-Kateřina

    49.3287, 16.6005

    100% uptime

    22ms
    |
    0ms
    |
    386ms
  • 31.41.204.143

    Dragon Internet a.s.

    AS15614

    Skalsko

    50.4271, 14.7590

    100% uptime

    16ms
    |
    1ms
    |
    78ms
  • 85.93.125.3

    Quantcom, a.s.

    AS29208

    Slatina

    49.1760, 16.6878

    98% uptime

    14ms
    |
    0ms
    |
    51ms
  • 5.104.16.97

    UnArtel s.r.o.

    AS198977

    Slavičín

    49.0880, 17.8735

    92% uptime

    20ms
    |
    2ms
    |
    50ms
  • 5.104.16.108

    UnArtel s.r.o.

    AS198977

    Slavičín

    49.0880, 17.8735

    98% uptime

    15ms
    |
    3ms
    |
    47ms
  • 5.104.18.21

    UnArtel s.r.o.

    AS198977

    Slavičín

    49.0880, 17.8735

    83% uptime

    19ms
    |
    2ms
    |
    62ms
  • 5.104.18.54

    UnArtel s.r.o.

    AS198977

    Slavičín

    49.0880, 17.8735

    92% uptime

    20ms
    |
    2ms
    |
    53ms
  • 131.117.208.241

    AVONET, s.r.o.

    AS20723

    Slavkov

    48.9469, 17.6116

    100% uptime

    21ms
    |
    3ms
    |
    60ms
  • 77.104.216.197

    ISP Alliance a.s.

    AS201476

    Sokolov

    50.1813, 12.6401

    100% uptime

    16ms
    |
    0ms
    |
    42ms
  • 109.183.238.42

    T-Mobile Czech Republic a.s.

    AS13036

    Sokolov

    50.1813, 12.6401

    98% uptime

    22ms
    |
    1ms
    |
    74ms
  • 86.49.161.165

    Vodafone Czech Republic a.s.

    AS16019

    Staré Město

    49.0752, 17.4334

    100% uptime

    11ms
    |
    3ms
    |
    87ms
  • 93.99.14.76

    Vodafone Czech Republic a.s.

    AS16019

    Staré Město

    49.0752, 17.4334

    92% uptime

    12ms
    |
    1ms
    |
    83ms
  • 46.33.96.51

    Quantcom, a.s.

    AS29208

    Švábenice

    49.2784, 17.1234

    98% uptime

    14ms
    |
    0ms
    |
    38ms
  • 188.92.13.190

    JAW.cz s.r.o.

    AS43070

    Teplice

    50.6404, 13.8245

    100% uptime

    16ms
    |
    20ms
    |
    44ms
  • 93.99.25.131

    Vodafone Czech Republic a.s.

    AS16019

    Tymákov

    49.7191, 13.5098

    83% uptime

    7ms
    |
    0ms
    |
    62ms
  • 93.99.25.151

    Vodafone Czech Republic a.s.

    AS16019

    Tymákov

    49.7191, 13.5098

    100% uptime

    9ms
    |
    2ms
    |
    44ms
  • 62.141.8.228

    T-Mobile Czech Republic a.s.

    AS13036

    Velké Poříčí

    50.4618, 16.1893

    100% uptime

    26ms
    |
    3ms
    |
    92ms
  • 46.255.8.3

    ISP Alliance a.s.

    AS52084

    Vrchlabí

    50.6270, 15.6094

    100% uptime

    13ms
    |
    0ms
    |
    64ms
  • 89.190.64.4

    N_SYS s.r.o.

    AS41088

    Vrchlabí

    50.6270, 15.6094

    100% uptime

    15ms
    |
    2ms
    |
    41ms
  • 85.163.64.58

    CETIN a.s.

    AS28725

    Vřesovice

    49.0591, 17.2150

    97% uptime

    20ms
    |
    1ms
    |
    88ms
  • 31.47.96.41

    FreeTel, s.r.o.

    AS8251

    Vsetín

    49.3387, 17.9962

    98% uptime

    22ms
    |
    3ms
    |
    66ms
  • 31.47.98.57

    FreeTel, s.r.o.

    AS8251

    Vsetín

    49.3387, 17.9962

    100% uptime

    18ms
    |
    2ms
    |
    48ms
  • 46.33.96.8

    Quantcom, a.s.

    AS29208

    Vyškov

    49.2775, 16.9990

    100% uptime

    14ms
    |
    0ms
    |
    40ms
  • 176.53.191.145

    Brnonet.eu

    AS209834

    Žabčice

    49.0116, 16.6026

    92% uptime

    10ms
    |
    0ms
    |
    46ms
  • 62.141.31.138

    T-Mobile Czech Republic a.s.

    AS13036

    Žacléř

    50.6633, 15.9106

    92% uptime

    38ms
    |
    6ms
    |
    148ms
  • 62.141.31.169

    T-Mobile Czech Republic a.s.

    AS13036

    Žacléř

    50.6633, 15.9106

    92% uptime

    90ms
    |
    50ms
    |
    231ms
  • 95.82.166.253

    NETBOX Autonomous system

    AS31246

    Ždánice

    49.0673, 17.0275

    100% uptime

    17ms
    |
    2ms
    |
    46ms