Public DNS Servers in Czechia
149 servers verified as of — page 1 of 3.
We currently list 149 public DNS servers in Czechia, each verified through our automated 72-hour probe cycle. Of these, 89% (133 servers) validate DNSSEC signatures, protecting users from DNS spoofing attacks. Top providers in Czechia include N_SYS s.r.o., Cesky Bezdrat, s.r.o., SH.cz s.r.o.. We also track 64 servers with known issues in Czechia, including NXDOMAIN hijacking and response errors. For the fastest DNS in Czechia, try our latency benchmark from your location. To check your current DNS configuration for leaks and encryption, use the DNS Privacy Check.
DNS quality in Czechia
| Median response time | 38 ms (across 149 measured servers) |
|---|---|
| Highly reliable (≥90% uptime) | 134 servers (90%) |
| DNSSEC validating | 133 servers (89%) |
| Servers with known issues | 64 flagged |
Metrics from our last probe cycle: every server in Czechia is tested for response time, reliability, DNSSEC validation, and NXDOMAIN integrity on a 72-hour cycle. With a median response of 38 ms, resolvers in Czechia respond quickly from our probe locations.
Local / ISP Providers (148 total)
| IP | ASN | Org | Status | Reliability | Last checked | Tools |
|---|---|---|---|---|---|---|
89.190.65.200
|
AS41088 | N_SYS s.r.o. | OK | 100% | 06-08-2026 12:37:33 (GMT) | WHOIS |
84.19.90.72
|
AS33943 | Cesky Bezdrat, s.r.o. | OK | 100% | 06-08-2026 12:02:31 (GMT) | WHOIS |
46.234.101.153
|
AS39392 | SH.cz s.r.o. | OK | 100% | 06-08-2026 09:18:21 (GMT) | WHOIS |
213.211.50.2
|
AS12570 | Nej.cz s.r.o. | OK | 100% | 06-08-2026 08:00:59 (GMT) | WHOIS |
212.47.12.21
|
AS13036 | T-Mobile Czech Republic a.s. | OK | 100% | 06-08-2026 07:56:23 (GMT) | WHOIS |
193.17.47.1
|
AS20701 | CZ.NIC, z.s.p.o. | OK | 100% | 06-08-2026 06:43:16 (GMT) | WHOIS |
185.43.135.1
|
AS20701 | CZ.NIC, z.s.p.o. | OK | 100% | 06-08-2026 06:05:39 (GMT) | WHOIS |
85.132.179.206
|
AS9080 | Ipex Ltd. | OK | 100% | 06-08-2026 12:09:26 (GMT) | WHOIS |
87.197.147.1
|
AS6855 | Slovak Telekom, a.s. | OK | 100% | 06-08-2026 12:24:09 (GMT) | WHOIS |
95.168.218.173
|
AS39392 | SH.cz s.r.o. | OK | 100% | 06-08-2026 13:35:53 (GMT) | WHOIS |
93.185.108.6
|
AS43541 | VSHosting s.r.o. | OK | 100% | 06-08-2026 13:18:24 (GMT) | WHOIS |
88.86.124.7
|
AS39392 | SH.cz s.r.o. | OK | 100% | 06-08-2026 12:32:31 (GMT) | WHOIS |
81.19.10.246
|
AS24641 | FASTER CZ spol. s r.o. | OK | 100% | 06-08-2026 11:39:14 (GMT) | WHOIS |
79.127.204.67
|
AS60068 | Datacamp Limited | OK | 100% | 06-08-2026 11:15:04 (GMT) | WHOIS |
77.78.99.107
|
AS15685 | CASABLANCA INT a.s. | OK | 100% | 06-08-2026 11:04:43 (GMT) | WHOIS |
77.78.99.105
|
AS15685 | CASABLANCA INT a.s. | OK | 100% | 06-08-2026 11:04:41 (GMT) | WHOIS |
77.240.190.77
|
AS24641 | FASTER CZ spol. s r.o. | OK | 100% | 06-08-2026 11:00:08 (GMT) | WHOIS |
77.240.176.101
|
AS24641 | FASTER CZ spol. s r.o. | OK | 100% | 06-08-2026 11:00:01 (GMT) | WHOIS |
62.109.141.220
|
AS29134 | Webglobe, s.r.o. | OK | 100% | 06-08-2026 10:05:30 (GMT) | WHOIS |
62.109.141.219
|
AS29134 | Webglobe, s.r.o. | OK | 100% | 06-08-2026 10:05:29 (GMT) | WHOIS |
46.28.108.78
|
AS197019 | WEDOS Internet, a.s. | OK | 100% | 06-08-2026 09:18:56 (GMT) | WHOIS |
46.234.101.154
|
AS39392 | SH.cz s.r.o. | OK | 100% | 06-08-2026 09:18:21 (GMT) | WHOIS |
37.235.105.152
|
AS39392 | SH.cz s.r.o. | OK | 100% | 06-08-2026 08:35:56 (GMT) | WHOIS |
37.205.9.7
|
AS24971 | MasterDC s.r.o. | OK | 100% | 06-08-2026 08:35:26 (GMT) | WHOIS |
37.205.8.145
|
AS24971 | MasterDC s.r.o. | OK | 100% | 06-08-2026 08:35:23 (GMT) | WHOIS |
217.31.60.7
|
AS29134 | Webglobe, s.r.o. | OK | 100% | 06-08-2026 08:09:23 (GMT) | WHOIS |
217.16.183.139
|
AS43541 | VSHosting s.r.o. | OK | 100% | 06-08-2026 08:07:18 (GMT) | WHOIS |
212.193.5.29
|
AS199785 | Cloud Hosting Solutions, Limited. | OK | 100% | 06-08-2026 07:54:12 (GMT) | WHOIS |
193.161.86.205
|
AS51248 | Host-Telecom.com s.r.o. | OK | 100% | 06-08-2026 06:43:00 (GMT) | WHOIS |
171.25.221.96
|
AS57707 | Greendata s.r.o. | OK | 100% | 06-08-2026 05:10:32 (GMT) | WHOIS |
171.25.222.130
|
AS57707 | Greendata s.r.o. | OK | 100% | 06-08-2026 05:10:32 (GMT) | WHOIS |
109.183.170.131
|
AS13036 | T-Mobile Czech Republic a.s. | OK | 100% | 06-08-2026 03:23:36 (GMT) | WHOIS |
95.82.166.252
|
AS31246 | NETBOX Autonomous system | OK | 100% | 06-08-2026 13:41:54 (GMT) | WHOIS |
94.230.144.245
|
AS48661 | AIRWAYNET, a.s. | OK | 100% | 06-08-2026 13:27:28 (GMT) | WHOIS |
94.199.96.50
|
AS199657 | TNtech, s.r.o. | OK | 100% | 06-08-2026 13:26:04 (GMT) | WHOIS |
94.113.245.45
|
AS16019 | Vodafone Czech Republic a.s. | OK | 100% | 06-08-2026 13:22:27 (GMT) | WHOIS |
93.99.206.1
|
AS16019 | Vodafone Czech Republic a.s. | OK | 100% | 06-08-2026 13:21:52 (GMT) | WHOIS |
93.89.149.54
|
AS42306 | Edera Group a.s. | OK | 100% | 06-08-2026 13:21:01 (GMT) | WHOIS |
93.185.13.155
|
AS56456 | C2NET s.r.o. | OK | 100% | 06-08-2026 13:18:27 (GMT) | WHOIS |
93.185.13.154
|
AS56456 | C2NET s.r.o. | OK | 100% | 06-08-2026 13:18:26 (GMT) | WHOIS |
90.182.204.78
|
AS5610 | O2 Czech Republic, a.s. | OK | 100% | 06-08-2026 12:46:37 (GMT) | WHOIS |
89.203.185.2
|
AS25512 | CD-Telematika a.s. | OK | 100% | 06-08-2026 12:38:10 (GMT) | WHOIS |
89.190.84.100
|
AS41088 | N_SYS s.r.o. | OK | 100% | 06-08-2026 12:37:44 (GMT) | WHOIS |
89.190.64.5
|
AS41088 | N_SYS s.r.o. | OK | 100% | 06-08-2026 12:37:33 (GMT) | WHOIS |
89.190.64.4
|
AS41088 | N_SYS s.r.o. | OK | 100% | 06-08-2026 12:37:32 (GMT) | WHOIS |
89.190.64.2
|
AS41088 | N_SYS s.r.o. | OK | 100% | 06-08-2026 12:37:31 (GMT) | WHOIS |
86.54.82.130
|
AS136258 | BrainStorm Network, Inc | OK | 100% | 06-08-2026 12:21:38 (GMT) | WHOIS |
85.92.58.122
|
AS25424 | INTERNEXT 2000 | OK | 100% | 06-08-2026 12:19:07 (GMT) | WHOIS |
85.163.166.54
|
AS28725 | CETIN a.s. | OK | 100% | 06-08-2026 12:10:30 (GMT) | WHOIS |
85.163.2.229
|
AS28725 | CETIN a.s. | OK | 100% | 06-08-2026 12:10:30 (GMT) | WHOIS |
DNS tools for Czechia
- Test DNS speed from your location — find the fastest server for Czechia
- Check your DNS privacy score — test for leaks, encryption, and DNSSEC
- Czechia ISP DNS servers — check your ISP's DNS configuration
- Best DNS for gaming
- Best private DNS servers
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