Is Google Public DNS Secure?
Independent privacy and security audit of Google Public DNS DNS servers, with live monitoring data.
Last updated March 26, 2026
Google Public DNS meets our security criteria with strong encryption support, DNSSEC validation, and no NXDOMAIN hijacking.
Security Audit Results
| Check | Result | Details |
|---|---|---|
| DNSSEC Validation | Yes | Validates DNSSEC signatures, protecting against DNS spoofing. |
| NXDOMAIN Hijacking | No | Returns proper NXDOMAIN responses for non-existent domains. |
| DNS-over-TLS (DoT) | Supported | Encrypted DNS available on port 853. Prevents ISP snooping on DNS queries. |
| DNS-over-HTTPS (DoH) | Supported | HTTPS-based encrypted DNS available. Works through firewalls and is supported by most browsers. |
| Logging Policy | Temporary logs purged within 24-48 hours | |
| Reliability | 100% | Based on continuous monitoring from our probe network. |
Google Public DNS DNS Addresses
| Type | IP Address | |
|---|---|---|
| Primary | 8.8.8.8 |
|
| Secondary | 8.8.4.4 |
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Run Privacy Check on 8.8.8.8How Google Public DNS Compares
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Frequently Asked Questions
Is Google Public DNS safe to use?
Google Public DNS passes our security audit with DNSSEC validation, no NXDOMAIN hijacking, and encrypted DNS support. It is safe for everyday use.
Does Google Public DNS log DNS queries?
Google Public DNS logging policy: Temporary logs purged within 24-48 hours. Always review the provider's current privacy policy for the latest details.
Does Google Public DNS support encrypted DNS?
Google Public DNS supports both DNS-over-TLS (DoT) and DNS-over-HTTPS (DoH), providing full encryption for your DNS queries.
How reliable is Google Public DNS?
Google Public DNS (8.8.8.8) has a reliability score of 100% based on our continuous monitoring. This is excellent uptime.
What are the DNS addresses for Google Public DNS?
Primary: 8.8.8.8, Secondary: 8.8.4.4. Configure both for redundancy.