DNS Servers

Czechia 244 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

  • 5.102.48.14

    ORIGINAL AS CZ-NORDICTELECOMREGIONAL

    AS42908

    Beroun

    49.9638, 14.0720

    99% uptime

    8ms
    |
    1ms
    |
    17ms
  • 5.102.53.44

    ORIGINAL AS CZ-NORDICTELECOMREGIONAL

    AS42908

    Beroun

    49.9638, 14.0720

    100% uptime

    10ms
    |
    1ms
    |
    62ms
  • 79.170.251.248

    AVONET, s.r.o.

    AS20723

    Bílovice

    49.0996, 17.5496

    99% uptime

    26ms
    |
    7ms
    |
    150ms
  • 188.75.168.49

    PODA a.s.

    AS196735

    Blansko

    49.3630, 16.6445

    98% uptime

    19ms
    |
    1ms
    |
    61ms
  • 188.75.189.249

    PODA a.s.

    AS196735

    Blansko

    49.3630, 16.6445

    100% uptime

    22ms
    |
    0ms
    |
    345ms
  • 77.240.189.204

    FASTER CZ spol. s r.o.

    AS24641

    Brno

    49.1952, 16.6080

    99% uptime

    12ms
    |
    1ms
    |
    31ms
  • 85.163.166.54

    CETIN a.s.

    AS28725

    Brno

    49.1952, 16.6080

    98% uptime

    15ms
    |
    3ms
    |
    47ms
  • 85.163.166.70

    CETIN a.s.

    AS28725

    Brno

    49.1952, 16.6080

    98% uptime

    16ms
    |
    1ms
    |
    68ms
  • 86.49.74.204

    Vodafone Czech Republic a.s.

    AS16019

    Brno

    49.1952, 16.6080

    100% uptime

    19ms
    |
    2ms
    |
    83ms
  • 185.16.81.235

    Netcom Solutions s.r.o.

    AS206703

    Brno

    49.1952, 16.6080

    100% uptime

    11ms
    |
    1ms
    |
    24ms
  • 89.190.64.20

    N_SYS s.r.o.

    AS41088

    Broumov

    50.5857, 16.3318

    100% uptime

    9ms
    |
    1ms
    |
    21ms
  • 89.190.64.114

    N_SYS s.r.o.

    AS41088

    Broumov

    50.5857, 16.3318

    100% uptime

    8ms
    |
    1ms
    |
    20ms
  • 89.190.64.115

    N_SYS s.r.o.

    AS41088

    Broumov

    50.5857, 16.3318

    100% uptime

    10ms
    |
    0ms
    |
    28ms
  • 89.190.64.116

    N_SYS s.r.o.

    AS41088

    Broumov

    50.5857, 16.3318

    100% uptime

    10ms
    |
    0ms
    |
    21ms
  • 89.190.64.117

    "N_SYS s.r.o."

    AS41088

    Broumov

    50.5857, 16.3318

    100% uptime

    9ms
    |
    1ms
    |
    24ms
  • 85.163.2.229

    CETIN a.s.

    AS28725

    Čavisov

    49.8295, 18.0807

    98% uptime

    17ms
    |
    2ms
    |
    23ms
  • 176.62.237.39

    IP4ISP z.s.p.o

    AS49985

    České Budějovice

    48.9745, 14.4743

    98% uptime

    14ms
    |
    1ms
    |
    66ms
  • 85.163.60.197

    CETIN a.s.

    AS28725

    Český Těšín

    49.7461, 18.6261

    98% uptime

    18ms
    |
    1ms
    |
    105ms
  • 77.48.29.6

    Vodafone Czech Republic a.s.

    AS16019

    Cheb

    50.0796, 12.3739

    99% uptime

    7ms
    |
    0ms
    |
    51ms
  • 91.192.32.43

    ISP Alliance a.s.

    AS210712

    Chomutov

    50.4605, 13.4178

    100% uptime

    17ms
    |
    1ms
    |
    54ms
  • 62.168.2.85

    T-Mobile Czech Republic a.s.

    AS13036

    Děčín

    50.7822, 14.2148

    100% uptime

    7ms
    |
    2ms
    |
    25ms
  • 193.85.27.110

    T-Mobile Czech Republic a.s.

    AS13036

    Děčín

    50.7822, 14.2148

    96% uptime

    13ms
    |
    1ms
    |
    84ms
  • 193.85.250.90

    T-Mobile Czech Republic a.s.

    AS13036

    Děčín

    50.7822, 14.2148

    96% uptime

    9ms
    |
    1ms
    |
    55ms
  • 139.28.116.27

    DOBNET, z.s.

    AS209621

    Dobřichovice

    49.9275, 14.2747

    100% uptime

    11ms
    |
    0ms
    |
    28ms
  • 139.28.116.28

    DOBNET, z.s.

    AS209621

    Dobřichovice

    49.9275, 14.2747

    100% uptime

    12ms
    |
    0ms
    |
    29ms
  • 212.24.146.86

    Quantcom, a.s.

    AS29208

    Dolní Chabry

    50.1463, 14.4485

    98% uptime

    11ms
    |
    0ms
    |
    58ms
  • 188.175.41.219

    O2 Czech Republic, a.s.

    AS16246

    Frýdek-Místek

    49.6833, 18.3500

    97% uptime

    17ms
    |
    1ms
    |
    62ms
  • 176.62.235.24

    IP4ISP z.s.p.o

    AS49985

    Hluboká nad Vltavou

    49.0523, 14.4343

    100% uptime

    10ms
    |
    1ms
    |
    35ms
  • 46.174.152.2

    mjanik.net s.r.o.

    AS52154

    Hlučín

    49.8980, 18.1920

    100% uptime

    10ms
    |
    0ms
    |
    51ms
  • 185.60.107.188

    HelaPC s.r.o.

    AS197879

    Hořice

    50.3661, 15.6318

    100% uptime

    14ms
    |
    0ms
    |
    40ms
  • 193.104.252.119

    HVfree.net servis. s.r.o.

    AS34596

    Horní Bečva

    49.4322, 18.2886

    100% uptime

    15ms
    |
    1ms
    |
    57ms
  • 193.85.26.94

    T-Mobile Czech Republic a.s.

    AS13036

    Hrabůvka

    49.7976, 18.2374

    98% uptime

    10ms
    |
    1ms
    |
    45ms
  • 85.119.89.116

    STARNET, s.r.o.

    AS44489

    Jablonec nad Nisou

    50.7243, 15.1711

    96% uptime

    10ms
    |
    0ms
    |
    61ms
  • 185.67.191.85

    CEZNET s.r.o.

    AS201654

    Jeseník

    50.2294, 17.2046

    98% uptime

    17ms
    |
    2ms
    |
    87ms
  • 213.175.61.150

    Quantcom, a.s.

    AS29208

    Jičín

    50.4372, 15.3516

    98% uptime

    16ms
    |
    0ms
    |
    87ms
  • 78.156.157.170

    OptoNet Communication, spol. s.r.o.

    AS43542

    Jihlava

    49.3961, 15.5912

    100% uptime

    9ms
    |
    1ms
    |
    56ms
  • 31.30.96.73

    Vodafone Czech Republic a.s.

    AS16019

    Karlovy Vary

    50.2327, 12.8712

    96% uptime

    102ms
    |
    94ms
    |
    123ms
  • 31.30.96.88

    Vodafone Czech Republic a.s.

    AS16019

    Karlovy Vary

    50.2327, 12.8712

    100% uptime

    28ms
    |
    14ms
    |
    92ms
  • 80.95.116.210

    Vodafone Czech Republic a.s.

    AS16019

    Karlovy Vary

    50.2327, 12.8712

    99% uptime

    6ms
    |
    0ms
    |
    26ms
  • 78.80.89.102

    T-Mobile Czech Republic a.s.

    AS13036

    Kolín

    50.0281, 15.1998

    100% uptime

    7ms
    |
    0ms
    |
    52ms
  • 83.148.17.97

    Quantcom, a.s.

    AS29208

    Kolín

    50.0281, 15.1998

    100% uptime

    10ms
    |
    0ms
    |
    35ms
  • 188.75.132.118

    PODA a.s.

    AS196735

    Kolín

    50.0281, 15.1998

    96% uptime

    13ms
    |
    1ms
    |
    60ms
  • 213.108.160.126

    JON.CZ s.r.o.

    AS200114

    Kolín

    50.0281, 15.1998

    100% uptime

    17ms
    |
    2ms
    |
    74ms
  • 93.99.206.1

    Vodafone Czech Republic a.s.

    AS16019

    Kralupy nad Vltavou

    50.2411, 14.3115

    100% uptime

    5ms
    |
    0ms
    |
    26ms
  • 93.99.206.129

    Vodafone Czech Republic a.s.

    AS16019

    Kralupy nad Vltavou

    50.2411, 14.3115

    100% uptime

    5ms
    |
    0ms
    |
    32ms
  • 93.99.217.104

    Vodafone Czech Republic a.s.

    AS16019

    Kralupy nad Vltavou

    50.2411, 14.3115

    100% uptime

    6ms
    |
    2ms
    |
    42ms
  • 85.163.31.92

    CETIN a.s.

    AS28725

    Kraslice

    50.3237, 12.5175

    96% uptime

    17ms
    |
    2ms
    |
    110ms
  • 185.230.174.12

    Jiri Tlapak

    AS197412

    Kunčice pod Ondřejníkem

    49.5507, 18.2611

    96% uptime

    13ms
    |
    0ms
    |
    83ms
  • 77.104.251.121

    CoProSys a.s.

    AS39906

    Liberec

    50.7671, 15.0562

    100% uptime

    13ms
    |
    1ms
    |
    65ms
  • 94.138.98.98

    CoProSys a.s.

    AS39906

    Liberec

    50.7671, 15.0562

    97% uptime

    13ms
    |
    1ms
    |
    42ms
  • 176.62.235.30

    IP4ISP z.s.p.o

    AS49985

    Lipno nad Vltavou

    48.6393, 14.2293

    100% uptime

    10ms
    |
    1ms
    |
    34ms
  • 5.102.48.46

    ORIGINAL AS CZ-NORDICTELECOMREGIONAL

    AS42908

    Lochovice

    49.8532, 13.9813

    100% uptime

    8ms
    |
    1ms
    |
    16ms
  • 89.24.77.151

    T-Mobile Czech Republic a.s.

    AS13036

    Mělník

    50.3505, 14.4741

    96% uptime

    26ms
    |
    6ms
    |
    110ms
  • 5.59.9.200

    BEZVANET s.r.o.

    AS196952

    Mladá Boleslav

    50.4113, 14.9032

    100% uptime

    12ms
    |
    1ms
    |
    36ms
  • 85.163.72.197

    CETIN a.s.

    AS28725

    Mladá Boleslav

    50.4113, 14.9032

    100% uptime

    15ms
    |
    1ms
    |
    49ms
  • 193.8.86.35

    Dragon Internet a.s.

    AS15614

    Mladá Boleslav

    50.4113, 14.9032

    100% uptime

    10ms
    |
    1ms
    |
    30ms
  • 195.191.202.2

    BEZVANET s.r.o.

    AS196952

    Mladá Boleslav

    50.4113, 14.9032

    100% uptime

    14ms
    |
    0ms
    |
    20ms
  • 85.92.58.122

    INTERNEXT 2000

    AS25424

    Moravská Nová Ves

    48.8030, 17.0137

    100% uptime

    12ms
    |
    1ms
    |
    39ms
  • 141.170.128.149

    Vodafone Czech Republic a.s.

    AS16019

    Mořkov

    49.5368, 18.0597

    97% uptime

    16ms
    |
    2ms
    |
    117ms
  • 141.170.129.198

    Vodafone Czech Republic a.s.

    AS16019

    Mořkov

    49.5368, 18.0597

    96% uptime

    11ms
    |
    3ms
    |
    74ms
  • 46.253.99.18

    Edera Group a.s.

    AS42306

    Náchod

    50.4167, 16.1629

    98% uptime

    15ms
    |
    0ms
    |
    70ms
  • 89.190.64.4

    "N_SYS s.r.o."

    AS41088

    Náchod

    50.4167, 16.1629

    99% uptime

    12ms
    |
    0ms
    |
    39ms
  • 89.190.78.243

    "N_SYS s.r.o."

    AS41088

    Náchod

    50.4167, 16.1629

    97% uptime

    25ms
    |
    9ms
    |
    127ms
  • 185.138.69.17

    ISP Alliance a.s.

    AS197393

    Náchod

    50.4167, 16.1629

    98% uptime

    14ms
    |
    1ms
    |
    44ms
  • 85.163.64.58

    CETIN a.s.

    AS28725

    Násedlovice

    49.0122, 16.9602

    98% uptime

    18ms
    |
    1ms
    |
    85ms
  • 78.111.112.106

    ISP Alliance a.s.

    AS47232

    Nové Město

    50.0763, 14.4323

    100% uptime

    25ms
    |
    5ms
    |
    113ms
  • 193.179.11.102

    T-Mobile Czech Republic a.s.

    AS13036

    Nový Jičín

    49.5944, 18.0103

    100% uptime

    11ms
    |
    1ms
    |
    111ms
  • 94.199.96.107

    TNtech, s.r.o.

    AS199657

    Nýřany

    49.7114, 13.2119

    96% uptime

    16ms
    |
    1ms
    |
    56ms
  • 213.192.40.26

    Vodafone Czech Republic a.s.

    AS16019

    Opava

    49.9387, 17.9026

    100% uptime

    11ms
    |
    1ms
    |
    52ms
  • 213.192.40.30

    Vodafone Czech Republic a.s.

    AS16019

    Opava

    49.9387, 17.9026

    100% uptime

    11ms
    |
    1ms
    |
    53ms
  • 93.99.146.145

    Vodafone Czech Republic a.s.

    AS16019

    Orlová

    49.8453, 18.4301

    100% uptime

    10ms
    |
    0ms
    |
    43ms
  • 46.13.244.210

    T-Mobile Czech Republic a.s.

    AS13036

    Ostrava

    49.8347, 18.2820

    99% uptime

    8ms
    |
    2ms
    |
    30ms
  • 46.135.139.188

    Vodafone Czech Republic a.s.

    AS16019

    Ostrava

    49.8347, 18.2820

    98% uptime

    40ms
    |
    60ms
    |
    174ms
  • 46.135.140.41

    Vodafone Czech Republic a.s.

    AS16019

    Ostrava

    49.8347, 18.2820

    100% uptime

    37ms
    |
    13ms
    |
    1075ms
  • 62.168.59.68

    T-Mobile Czech Republic a.s.

    AS13036

    Ostrava

    49.8347, 18.2820

    100% uptime

    12ms
    |
    2ms
    |
    77ms
  • 62.168.59.70

    T-Mobile Czech Republic a.s.

    AS13036

    Ostrava

    49.8347, 18.2820

    100% uptime

    12ms
    |
    2ms
    |
    78ms
  • 85.135.15.58

    PODA a.s.

    AS30764

    Ostrava

    49.8347, 18.2820

    96% uptime

    17ms
    |
    1ms
    |
    80ms
  • 89.24.251.247

    T-Mobile Czech Republic a.s.

    AS13036

    Ostrava

    49.8347, 18.2820

    99% uptime

    11ms
    |
    2ms
    |
    69ms
  • 93.153.93.207

    T-Mobile Czech Republic a.s.

    AS13036

    Ostrava

    49.8347, 18.2820

    100% uptime

    21ms
    |
    5ms
    |
    114ms
  • 185.10.237.158

    VITKOVICE IT SOLUTIONS a.s.

    AS56973

    Ostrava

    49.8347, 18.2820

    100% uptime

    16ms
    |
    0ms
    |
    42ms
  • 193.86.49.12

    T-Mobile Czech Republic a.s.

    AS13036

    Ostrava

    49.8347, 18.2820

    100% uptime

    22ms
    |
    4ms
    |
    108ms
  • 193.86.125.250

    T-Mobile Czech Republic a.s.

    AS13036

    Ostrava

    49.8347, 18.2820

    99% uptime

    10ms
    |
    2ms
    |
    64ms
  • 193.165.78.46

    PODA a.s.

    AS30764

    Ostrava

    49.8347, 18.2820

    98% uptime

    12ms
    |
    1ms
    |
    66ms
  • 176.97.8.30

    StaMPi, spol. s r.o.

    AS57288

    Pelhřimov

    49.4313, 15.2234

    100% uptime

    14ms
    |
    0ms
    |
    39ms
  • 176.97.15.121

    StaMPi, spol. s r.o.

    AS57288

    Pelhřimov

    49.4313, 15.2234

    100% uptime

    15ms
    |
    4ms
    |
    60ms
  • 78.108.106.115

    FreeTel, s.r.o.

    AS8251

    Pilsen

    49.7475, 13.3776

    100% uptime

    8ms
    |
    1ms
    |
    49ms
  • 89.24.174.215

    T-Mobile Czech Republic a.s.

    AS13036

    Pilsen

    49.7475, 13.3776

    99% uptime

    11ms
    |
    2ms
    |
    45ms
  • 89.203.150.80

    CD-Telematika a.s.

    AS25512

    Písek

    49.3088, 14.1475

    100% uptime

    12ms
    |
    1ms
    |
    61ms
  • 176.102.144.62

    ORIGINAL AS CZ-NORDICTELECOMREGIONAL

    AS42908

    Pňovice

    49.7208, 17.1602

    100% uptime

    8ms
    |
    1ms
    |
    17ms
  • 80.188.2.226

    O2 Czech Republic, a.s.

    AS5610

    Podolí

    49.3612, 14.3119

    98% uptime

    14ms
    |
    1ms
    |
    86ms
  • 80.188.10.50

    O2 Czech Republic, a.s.

    AS5610

    Podolí

    50.0547, 14.4422

    99% uptime

    15ms
    |
    1ms
    |
    71ms
  • 176.102.128.2

    ORIGINAL AS CZ-NORDICTELECOMREGIONAL

    AS42908

    Podolí

    50.0547, 14.4422

    100% uptime

    8ms
    |
    1ms
    |
    16ms
  • 176.102.128.3

    ORIGINAL AS CZ-NORDICTELECOMREGIONAL

    AS42908

    Podolí

    50.0547, 14.4422

    99% uptime

    8ms
    |
    1ms
    |
    17ms
  • 85.163.98.156

    CETIN a.s.

    AS28725

    Polná

    49.4870, 15.7188

    100% uptime

    12ms
    |
    1ms
    |
    62ms
  • 5.59.97.208

    Greendata s.r.o.

    AS57707

    Prague

    50.0880, 14.4208

    98% uptime

    8ms
    |
    1ms
    |
    42ms
  • 31.30.34.14

    Vodafone Czech Republic a.s.

    AS16019

    Prague

    50.0880, 14.4208

    96% uptime

    7ms
    |
    7ms
    |
    316ms
  • 31.47.105.21

    FreeTel, s.r.o.

    AS8251

    Prague

    50.0475, 14.4831

    99% uptime

    10ms
    |
    2ms
    |
    47ms
  • 37.205.8.145

    MasterDC s.r.o.

    AS24971

    Prague

    50.0880, 14.4208

    100% uptime

    11ms
    |
    0ms
    |
    17ms
  • 37.205.9.7

    MasterDC s.r.o.

    AS24971

    Prague

    50.0880, 14.4208

    100% uptime

    9ms
    |
    0ms
    |
    14ms
  • 46.13.31.80

    T-Mobile Czech Republic a.s.

    AS13036

    Prague

    50.0880, 14.4208

    100% uptime

    10ms
    |
    1ms
    |
    41ms