Public DNS Servers in Czechia
184 servers verified as of — page 1 of 4.
We currently list 184 public DNS servers in Czechia, each verified through our automated 72-hour probe cycle. Of these, 84% (154 servers) validate DNSSEC signatures, protecting users from DNS spoofing attacks. Top providers in Czechia include MASTER IT Technologies, a.s., AC Vyskov, TFnet s.r.o.. We also track 65 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.
Local / ISP Providers (183 total)
| IP | ASN | Org | Status | Reliability | Last checked | Tools |
|---|---|---|---|---|---|---|
94.229.82.156
|
AS62178 | MASTER IT Technologies, a.s. | OK | 100% | 23-03-2026 07:00:26 (GMT) | WHOIS |
94.199.193.138
|
AS48364 | AC Vyskov | OK | 100% | 23-03-2026 06:59:35 (GMT) | WHOIS |
94.127.135.212
|
AS202895 | TFnet s.r.o. | OK | 100% | 23-03-2026 06:57:24 (GMT) | WHOIS |
91.239.237.150
|
AS58239 | hanspaul-city.net s.r.o. | OK | 100% | 23-03-2026 06:41:26 (GMT) | WHOIS |
91.223.74.126
|
AS196762 | ALKOM Security, a.s. | OK | 100% | 23-03-2026 06:39:46 (GMT) | WHOIS |
91.219.245.27
|
AS51744 | Non-profit organization Jablonka.cz | OK | 100% | 23-03-2026 06:39:23 (GMT) | WHOIS |
91.187.59.84
|
AS34093 | Nordic Telecom Regional s.r.o. | OK | 100% | 23-03-2026 06:35:43 (GMT) | WHOIS |
90.183.151.106
|
AS5610 | O2 Czech Republic, a.s. | OK | 100% | 23-03-2026 06:29:04 (GMT) | WHOIS |
89.22.66.209
|
AS57069 | Dempsey and Clark s.r.o. | OK | 100% | 23-03-2026 06:23:15 (GMT) | WHOIS |
89.190.48.201
|
AS12570 | Nej.cz s.r.o. | OK | 100% | 23-03-2026 06:21:40 (GMT) | WHOIS |
89.190.65.200
|
AS41088 | N_SYS s.r.o. | OK | 100% | 23-03-2026 06:21:28 (GMT) | WHOIS |
89.111.112.10
|
AS39791 | Telco Pro Services, a. s. | OK | 100% | 23-03-2026 06:19:08 (GMT) | WHOIS |
88.86.116.45
|
AS39392 | SH.cz s.r.o. | OK | 100% | 23-03-2026 06:18:03 (GMT) | WHOIS |
87.197.147.1
|
AS6855 | Slovak Telekom, a.s. | OK | 100% | 23-03-2026 06:11:32 (GMT) | WHOIS |
86.63.216.70
|
AS16246 | Nej.cz s.r.o. | OK | 100% | 23-03-2026 06:10:15 (GMT) | WHOIS |
85.209.124.182
|
AS21430 | WIA spol. s.r.o. | OK | 100% | 23-03-2026 06:03:06 (GMT) | WHOIS |
84.19.90.72
|
AS33943 | Cesky Bezdrat, s.r.o. | OK | 100% | 23-03-2026 05:54:37 (GMT) | WHOIS |
81.90.244.15
|
AS39761 | ABAK, Co.Ltd. | OK | 100% | 23-03-2026 05:41:00 (GMT) | WHOIS |
81.201.51.140
|
AS8251 | FreeTel, s.r.o. | OK | 100% | 23-03-2026 05:36:56 (GMT) | WHOIS |
78.157.165.21
|
AS43709 | SilesNet s.r.o. | OK | 100% | 23-03-2026 05:15:57 (GMT) | WHOIS |
78.157.162.147
|
AS43709 | SilesNet s.r.o. | OK | 100% | 23-03-2026 05:15:55 (GMT) | WHOIS |
78.111.121.102
|
AS47232 | ISP Alliance a.s. | OK | 100% | 23-03-2026 05:13:40 (GMT) | WHOIS |
77.48.176.3
|
AS16019 | Vodafone Czech Republic a.s. | OK | 100% | 23-03-2026 05:10:36 (GMT) | WHOIS |
77.48.159.46
|
AS16019 | Vodafone Czech Republic a.s. | OK | 100% | 23-03-2026 05:10:30 (GMT) | WHOIS |
77.48.45.234
|
AS16019 | Vodafone Czech Republic a.s. | OK | 100% | 23-03-2026 05:10:15 (GMT) | WHOIS |
62.168.30.102
|
AS13036 | T-Mobile Czech Republic a.s. | OK | 100% | 23-03-2026 04:28:28 (GMT) | WHOIS |
46.231.72.212
|
AS34093 | Nordic Telecom Regional s.r.o. | OK | 100% | 23-03-2026 03:52:09 (GMT) | WHOIS |
46.234.101.153
|
AS39392 | SH.cz s.r.o. | OK | 100% | 23-03-2026 03:51:53 (GMT) | WHOIS |
46.167.233.65
|
AS16019 | Vodafone Czech Republic a.s. | OK | 100% | 23-03-2026 03:50:53 (GMT) | WHOIS |
213.211.50.2
|
AS12570 | Nej.cz s.r.o. | OK | 100% | 23-03-2026 03:02:36 (GMT) | WHOIS |
213.211.33.58
|
AS12570 | Nej.cz s.r.o. | OK | 100% | 23-03-2026 03:02:29 (GMT) | WHOIS |
213.180.53.103
|
AS16246 | Nej.cz s.r.o. | OK | 100% | 23-03-2026 03:02:01 (GMT) | WHOIS |
212.47.12.21
|
AS13036 | T-Mobile Czech Republic a.s. | OK | 100% | 23-03-2026 02:59:38 (GMT) | WHOIS |
194.228.54.34
|
AS5610 | O2 Czech Republic, a.s. | OK | 100% | 23-03-2026 02:12:07 (GMT) | WHOIS |
193.17.47.1
|
AS20701 | CZ.NIC, z.s.p.o. | OK | 100% | 23-03-2026 02:08:57 (GMT) | WHOIS |
188.122.212.56
|
AS57728 | Telco Infrastructure, s.r.o. | OK | 100% | 23-03-2026 01:51:57 (GMT) | WHOIS |
185.43.135.1
|
AS20701 | CZ.NIC, z.s.p.o. | OK | 100% | 23-03-2026 01:41:38 (GMT) | WHOIS |
176.12.122.226
|
AS57279 | Sauron CZ s.r.o. | OK | 100% | 23-03-2026 01:11:36 (GMT) | WHOIS |
176.102.128.154
|
AS57564 | Nordic Telecom Regional s.r.o. | OK | 100% | 23-03-2026 01:11:02 (GMT) | WHOIS |
85.209.124.82
|
AS21430 | WIA spol. s.r.o. | OK | 97% | 23-03-2026 06:03:09 (GMT) | WHOIS |
85.132.179.206
|
AS9080 | Ipex Ltd. | OK | 97% | 23-03-2026 06:00:18 (GMT) | WHOIS |
86.49.188.146
|
AS16019 | Vodafone Czech Republic a.s. | OK | 95% | 23-03-2026 06:09:21 (GMT) | WHOIS |
94.229.82.193
|
AS62178 | MASTER IT Technologies, a.s. | OK | 93% | 23-03-2026 07:00:28 (GMT) | WHOIS |
185.243.126.71
|
AS59959 | SferiaNET.cz s.r.o. | OK | 93% | 23-03-2026 01:40:30 (GMT) | WHOIS |
90.183.151.107
|
AS5610 | O2 Czech Republic, a.s. | OK | 90% | 23-03-2026 06:28:36 (GMT) | WHOIS |
94.241.90.71
|
AS42908 | Nordic Telecom Regional s.r.o. | OK | 89% | 23-03-2026 07:01:42 (GMT) | WHOIS |
95.168.218.173
|
AS39392 | SH.cz s.r.o. | OK | 87% | 23-03-2026 07:07:07 (GMT) | WHOIS |
93.185.108.6
|
AS43541 | VSHosting s.r.o. | OK | 87% | 23-03-2026 06:53:54 (GMT) | WHOIS |
89.221.222.46
|
AS197019 | WEDOS Internet, a.s. | OK | 87% | 23-03-2026 06:23:21 (GMT) | WHOIS |
88.86.124.7
|
AS39392 | SH.cz s.r.o. | OK | 87% | 23-03-2026 06:18:06 (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
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