Is OpenDNS Secure?
Independent privacy and security audit of OpenDNS DNS servers, with live monitoring data.
Last updated March 26, 2026
OpenDNS passes some security checks but is missing support for certain features. Review the details below.
Security Audit Results
| Check | Result | Details |
|---|---|---|
| DNSSEC Validation | Yes | Validates DNSSEC signatures, protecting against DNS spoofing. |
| NXDOMAIN Hijacking | Yes | Redirects non-existent domains to its own servers instead of returning NXDOMAIN. This can leak browsing data and break applications. |
| DNS-over-TLS (DoT) | Not supported | DNS queries are sent in plain text over this protocol. |
| DNS-over-HTTPS (DoH) | Supported | HTTPS-based encrypted DNS available. Works through firewalls and is supported by most browsers. |
| Logging Policy | Query logging for paid accounts | |
| Reliability | 100% | Based on continuous monitoring from our probe network. |
OpenDNS DNS Addresses
| Type | IP Address | |
|---|---|---|
| Primary | 208.67.222.222 |
|
| Secondary | 208.67.220.220 |
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Run Privacy Check on 208.67.222.222How OpenDNS Compares
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Frequently Asked Questions
Is OpenDNS safe to use?
OpenDNS passes some security checks but lacks support for certain features like encrypted DNS or DNSSEC. It is adequate for basic use but privacy-conscious users may want a more feature-complete provider.
Does OpenDNS log DNS queries?
OpenDNS logging policy: Query logging for paid accounts. Always review the provider's current privacy policy for the latest details.
Does OpenDNS support encrypted DNS?
OpenDNS supports DNS-over-HTTPS (DoH) but not DoT. Partial encryption is available.
How reliable is OpenDNS?
OpenDNS (208.67.222.222) has a reliability score of 100% based on our continuous monitoring. This is excellent uptime.
What are the DNS addresses for OpenDNS?
Primary: 208.67.222.222, Secondary: 208.67.220.220. Configure both for redundancy.