DNS Privacy in Czechia
Server security and DNSSEC adoption overview for public DNS servers in Czechia.
Updated March 26, 2026 · Based on live monitoring data
DNS Security Statistics for Czechia
DNSSEC (Domain Name System Security Extensions) adds cryptographic signatures to DNS records, preventing attackers from redirecting your traffic through DNS spoofing. A higher adoption rate means better protection for users in Czechia.
Good adoption rate. Over half of the DNS servers in Czechia validate DNSSEC, which is above the global average.
Check Your DNS Privacy
Are your DNS queries encrypted? Is your DNS provider validating DNSSEC? Run a free privacy audit from Czechia.
Run DNS Privacy CheckDNS Servers in Czechia — Security Overview
| IP Address | Provider | Reliability | DNSSEC | Status | |
|---|---|---|---|---|---|
94.127.135.212
|
TFnet s.r.o. | 100% | Yes | OK | |
91.239.237.150
|
hanspaul-city.net s.r.o. | 100% | Yes | OK | |
91.223.74.126
|
ALKOM Security, a.s. | 100% | Yes | OK | |
89.22.66.209
|
Dempsey and Clark s.r.o. | 100% | Yes | OK | |
89.190.48.201
|
Nej.cz s.r.o. | 100% | Yes | OK | |
89.190.65.200
|
N_SYS s.r.o. | 100% | Yes | OK | |
88.86.116.45
|
SH.cz s.r.o. | 100% | Yes | OK | |
85.209.124.182
|
WIA spol. s.r.o. | 100% | Yes | OK | |
84.19.90.72
|
Cesky Bezdrat, s.r.o. | 100% | Yes | OK | |
81.201.51.140
|
FreeTel, s.r.o. | 100% | Yes | OK |
Recommended Private DNS for Czechia
These providers offer the strongest privacy protections and work well from Czechia:
More for Czechia
Frequently Asked Questions
How many DNS servers in Czechia support DNSSEC?
Out of 184 monitored DNS servers in Czechia, 154 (83.7%) validate DNSSEC. DNSSEC prevents DNS spoofing attacks by cryptographically signing DNS records.
Is my DNS private in Czechia?
Standard DNS queries in Czechia are unencrypted and visible to your ISP. To protect your DNS privacy, use a provider that supports DNS-over-HTTPS (DoH) or DNS-over-TLS (DoT), such as Cloudflare, Quad9, or Mullvad DNS.
Which private DNS should I use in Czechia?
For maximum privacy in Czechia, use Mullvad DNS (no logging), Quad9 (no personal data logged), or Cloudflare (logs purged within 24h). All three support encrypted DNS and have global anycast networks for low latency.
Can my ISP in Czechia see my DNS queries?
Yes, if you use standard unencrypted DNS. Your ISP can see every domain you visit. Switching to encrypted DNS (DoH/DoT) prevents this. Configure it at the system or router level for full protection.