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Retested every 72 hours.

Public DNS Servers in Czechia

119 servers verified as of — page 3 of 3.

Local / ISP Providers (118 total)

Local / ISP Providers
IPASNOrgStatusReliabilityLast checkedTools
78.111.121.102
AS47232 ISP Alliance a.s. OK 96% 21-09-2026 11:17:41 (GMT) WHOIS
89.24.206.253
AS13036 T-Mobile Czech Republic a.s. OK 96% 21-09-2026 12:55:57 (GMT) WHOIS
109.248.251.19
AS57707 Greendata s.r.o. OK 95% 21-09-2026 03:27:28 (GMT) WHOIS
91.223.74.126
AS196762 ALKOM Security, a.s. OK 95% 21-09-2026 13:16:17 (GMT) WHOIS
81.201.51.140
AS8251 FreeTel, s.r.o. OK 95% 21-09-2026 11:52:51 (GMT) WHOIS
185.155.32.222
AS202774 ISP Alliance a.s. OK 95% 21-09-2026 06:00:18 (GMT) WHOIS
88.208.115.227
AS29208 Quantcom, a.s. OK 94% 21-09-2026 12:45:13 (GMT) WHOIS
88.146.221.211
AS16019 Vodafone Czech Republic a.s. OK 94% 21-09-2026 12:43:46 (GMT) WHOIS
94.199.96.50
AS199657 TNtech, s.r.o. OK 93% 21-09-2026 13:42:26 (GMT) WHOIS
176.102.137.49
AS57564 Nordic Telecom Regional s.r.o. OK 92% 21-09-2026 05:22:31 (GMT) WHOIS
212.67.71.84
AS12767 T-Mobile Czech Republic a.s. OK 92% 21-09-2026 08:03:46 (GMT) WHOIS
176.102.128.154
AS57564 Nordic Telecom Regional s.r.o. OK 91% 21-09-2026 05:22:31 (GMT) WHOIS
88.86.126.179
AS39392 SH.cz s.r.o. OK 87% 21-09-2026 12:47:33 (GMT) WHOIS
46.167.233.65
AS16019 Vodafone Czech Republic a.s. OK 86% 21-09-2026 09:24:25 (GMT) WHOIS
89.190.48.201
AS12570 Nej.cz s.r.o. OK 85% 21-09-2026 12:52:54 (GMT) WHOIS
62.168.30.102
AS13036 T-Mobile Czech Republic a.s. OK 84% 21-09-2026 10:14:28 (GMT) WHOIS
213.211.33.58
AS12570 Nej.cz s.r.o. OK 81% 21-09-2026 08:08:02 (GMT) WHOIS
188.122.212.56
AS57728 Telco Infrastructure, s.r.o. OK 81% 21-09-2026 06:23:23 (GMT) WHOIS

Global Providers (1 total)

Global Providers
IPASNOrgStatusReliabilityLast checkedTools
185.113.29.181
AS212772 AdGuard Software Limited OK 100% 21-09-2026 05:57:39 (GMT) WHOIS

DNS tools for Czechia