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Retested every 72 hours.

Public DNS Servers in Czechia

119 servers verified as of — page 1 of 3.

We currently list 119 public DNS servers in Czechia, each verified through our automated 72-hour probe cycle. Of these, 91% (108 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., Nej.cz s.r.o.. We also track 67 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

DNS quality metrics for Czechia
Median response time 36 ms (across 119 measured servers)
Highly reliable (≥90% uptime) 113 servers (95%)
DNSSEC validating 108 servers (91%)
Servers with known issues 67 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 36 ms, resolvers in Czechia respond quickly from our probe locations.

All Countries Czechia ISP DNS Gaming DNS in Czechia Privacy DNS in Czechia 67 servers with issues

Local / ISP Providers (118 total)

Local / ISP Providers
IPASNOrgStatusReliabilityLast checkedTools
89.190.65.200
AS41088 N_SYS s.r.o. OK 100% 21-09-2026 12:52:49 (GMT) WHOIS
84.19.90.72
AS33943 Cesky Bezdrat, s.r.o. OK 100% 21-09-2026 12:16:18 (GMT) WHOIS
213.211.50.2
AS12570 Nej.cz s.r.o. OK 100% 21-09-2026 08:08:06 (GMT) WHOIS
193.17.47.1
AS20701 CZ.NIC, z.s.p.o. OK 100% 21-09-2026 06:47:56 (GMT) WHOIS
185.43.135.1
AS20701 CZ.NIC, z.s.p.o. OK 100% 21-09-2026 06:09:47 (GMT) WHOIS
87.197.147.1
AS6855 Slovak Telekom, a.s. OK 100% 21-09-2026 12:38:44 (GMT) WHOIS
95.168.218.173
AS39392 SH.cz s.r.o. OK 100% 21-09-2026 13:52:44 (GMT) WHOIS
93.185.108.6
AS43541 VSHosting s.r.o. OK 100% 21-09-2026 13:34:40 (GMT) WHOIS
88.86.124.7
AS39392 SH.cz s.r.o. OK 100% 21-09-2026 12:47:29 (GMT) WHOIS
81.19.10.246
AS24641 FASTER CZ spol. s r.o. OK 100% 21-09-2026 11:51:59 (GMT) WHOIS
79.127.204.67
AS60068 Datacamp Limited OK 100% 21-09-2026 11:25:27 (GMT) WHOIS
77.78.99.107
AS15685 CASABLANCA INT a.s. OK 100% 21-09-2026 11:14:52 (GMT) WHOIS
77.78.99.105
AS15685 CASABLANCA INT a.s. OK 100% 21-09-2026 11:14:49 (GMT) WHOIS
77.240.190.77
AS24641 FASTER CZ spol. s r.o. OK 100% 21-09-2026 11:10:08 (GMT) WHOIS
77.240.176.101
AS24641 FASTER CZ spol. s r.o. OK 100% 21-09-2026 11:10:02 (GMT) WHOIS
62.109.141.220
AS29134 Webglobe, s.r.o. OK 100% 21-09-2026 10:13:36 (GMT) WHOIS
62.109.141.219
AS29134 Webglobe, s.r.o. OK 100% 21-09-2026 10:13:34 (GMT) WHOIS
46.28.108.78
AS197019 WEDOS Internet, a.s. OK 100% 21-09-2026 09:26:52 (GMT) WHOIS
37.235.105.152
AS39392 SH.cz s.r.o. OK 100% 21-09-2026 08:43:36 (GMT) WHOIS
37.205.9.7
AS24971 MasterDC s.r.o. OK 100% 21-09-2026 08:42:59 (GMT) WHOIS
37.205.8.145
AS24971 MasterDC s.r.o. OK 100% 21-09-2026 08:42:56 (GMT) WHOIS
217.31.60.7
AS29134 Webglobe, s.r.o. OK 100% 21-09-2026 08:16:44 (GMT) WHOIS
217.16.183.139
AS43541 VSHosting s.r.o. OK 100% 21-09-2026 08:14:41 (GMT) WHOIS
212.193.5.29
AS199785 Cloud Hosting Solutions, Limited. OK 100% 21-09-2026 08:01:06 (GMT) WHOIS
171.25.221.96
AS57707 Greendata s.r.o. OK 100% 21-09-2026 05:13:08 (GMT) WHOIS
109.183.170.131
AS13036 T-Mobile Czech Republic a.s. OK 100% 21-09-2026 03:24:23 (GMT) WHOIS
95.82.166.252
AS31246 NETBOX Autonomous system OK 100% 21-09-2026 13:59:03 (GMT) WHOIS
94.230.144.245
AS48661 AIRWAYNET, a.s. OK 100% 21-09-2026 13:43:51 (GMT) WHOIS
94.113.245.45
AS16019 Vodafone Czech Republic a.s. OK 100% 21-09-2026 13:38:46 (GMT) WHOIS
93.99.206.1
AS16019 Vodafone Czech Republic a.s. OK 100% 21-09-2026 13:38:09 (GMT) WHOIS
93.89.149.54
AS42306 Edera Group a.s. OK 100% 21-09-2026 13:37:20 (GMT) WHOIS
93.185.13.154
AS56456 C2NET s.r.o. OK 100% 21-09-2026 13:34:41 (GMT) WHOIS
93.185.13.155
AS56456 C2NET s.r.o. OK 100% 21-09-2026 13:34:41 (GMT) WHOIS
90.182.204.78
AS5610 O2 Czech Republic, a.s. OK 100% 21-09-2026 13:02:12 (GMT) WHOIS
89.203.185.2
AS25512 CD-Telematika a.s. OK 100% 21-09-2026 12:53:32 (GMT) WHOIS
89.190.84.100
AS41088 N_SYS s.r.o. OK 100% 21-09-2026 12:53:05 (GMT) WHOIS
89.190.64.5
AS41088 N_SYS s.r.o. OK 100% 21-09-2026 12:52:48 (GMT) WHOIS
89.190.64.2
AS41088 N_SYS s.r.o. OK 100% 21-09-2026 12:52:47 (GMT) WHOIS
89.190.64.4
AS41088 N_SYS s.r.o. OK 100% 21-09-2026 12:52:47 (GMT) WHOIS
86.54.82.130
AS136258 BrainStorm Network, Inc OK 100% 21-09-2026 12:36:03 (GMT) WHOIS
85.92.58.122
AS25424 INTERNEXT 2000 OK 100% 21-09-2026 12:33:17 (GMT) WHOIS
85.163.166.54
AS28725 CETIN a.s. OK 100% 21-09-2026 12:24:33 (GMT) WHOIS
85.163.2.229
AS28725 CETIN a.s. OK 100% 21-09-2026 12:24:33 (GMT) WHOIS
85.132.129.167
AS203018 PAMICO CZECH, s.r.o. OK 100% 21-09-2026 12:23:15 (GMT) WHOIS
80.251.252.142
AS42908 ORIGINAL AS CZ-NORDICTELECOMREGIONAL OK 100% 21-09-2026 11:43:39 (GMT) WHOIS
80.188.2.226
AS5610 O2 Czech Republic, a.s. OK 100% 21-09-2026 11:41:05 (GMT) WHOIS
78.157.171.14
AS43709 SilesNet s.r.o. OK 100% 21-09-2026 11:19:41 (GMT) WHOIS
78.111.112.114
AS47232 ISP Alliance a.s. OK 100% 21-09-2026 11:17:20 (GMT) WHOIS
78.111.112.106
AS47232 ISP Alliance a.s. OK 100% 21-09-2026 11:17:18 (GMT) WHOIS
62.168.2.85
AS13036 T-Mobile Czech Republic a.s. OK 100% 21-09-2026 10:14:37 (GMT) WHOIS

DNS tools for Czechia