Is Comodo Secure DNS Secure?
Independent privacy and security audit of Comodo Secure DNS DNS servers, with live monitoring data.
Last updated March 26, 2026
Comodo Secure DNS 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 | No | Returns proper NXDOMAIN responses for non-existent domains. |
| DNS-over-TLS (DoT) | Not supported | DNS queries are sent in plain text over this protocol. |
| DNS-over-HTTPS (DoH) | Not supported | No DoH endpoint available. |
| Logging Policy | Unknown retention policy | |
| Reliability | 100% | Based on continuous monitoring from our probe network. |
Comodo Secure DNS DNS Addresses
| Type | IP Address | |
|---|---|---|
| Primary | 8.26.56.26 |
|
| Secondary | 8.20.247.20 |
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Frequently Asked Questions
Is Comodo Secure DNS safe to use?
Comodo Secure DNS 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 Comodo Secure DNS log DNS queries?
Comodo Secure DNS logging policy: Unknown retention policy. Always review the provider's current privacy policy for the latest details.
Does Comodo Secure DNS support encrypted DNS?
Comodo Secure DNS does not support encrypted DNS (neither DoT nor DoH). Your DNS queries travel in plain text and can be monitored by your ISP.
How reliable is Comodo Secure DNS?
Comodo Secure DNS (8.26.56.26) has a reliability score of 100% based on our continuous monitoring. This is excellent uptime.
What are the DNS addresses for Comodo Secure DNS?
Primary: 8.26.56.26, Secondary: 8.20.247.20. Configure both for redundancy.