Is NextDNS Secure?
Independent privacy and security audit of NextDNS DNS servers, with live monitoring data.
Last updated March 26, 2026
NextDNS 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 | Optional user-controlled logs | |
| Reliability | 100% | Based on continuous monitoring from our probe network. |
NextDNS DNS Addresses
| Type | IP Address | |
|---|---|---|
| Primary | 45.90.28.0 |
|
| Secondary | 45.90.30.0 |
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Frequently Asked Questions
Is NextDNS safe to use?
NextDNS passes our security audit with DNSSEC validation, no NXDOMAIN hijacking, and encrypted DNS support. It is safe for everyday use.
Does NextDNS log DNS queries?
NextDNS logging policy: Optional user-controlled logs. Always review the provider's current privacy policy for the latest details.
Does NextDNS support encrypted DNS?
NextDNS supports both DNS-over-TLS (DoT) and DNS-over-HTTPS (DoH), providing full encryption for your DNS queries.
How reliable is NextDNS?
NextDNS (45.90.28.0) has a reliability score of 100% based on our continuous monitoring. This is excellent uptime.
What are the DNS addresses for NextDNS?
Primary: 45.90.28.0, Secondary: 45.90.30.0. Configure both for redundancy.