DNSSEC Knowledge Base
Expert guides, tutorials, and troubleshooting resources for DNS Security Extensions.
Foundational Concepts
Understand the core principles of DNS security before implementation.
What is DNSSEC?
A complete introduction to DNS Security Extensions, what problems they solve, and why they matter for your infrastructure.
Read ArticleHow DNSSEC Works
Deep dive into the technical mechanics: cryptographic signatures, chain of trust, and the validation process.
Read ArticleDNS vs DNSSEC
Compare standard DNS with DNSSEC-protected DNS. Understand what changes and what stays the same.
Read ArticleWhy DNSSEC Matters
The business and security case for DNSSEC: real-world attack scenarios and how DNSSEC prevents them.
Read ArticleImplementation Guides
Step-by-step tutorials for enabling DNSSEC on popular platforms.
Troubleshooting
Diagnose and fix common DNSSEC problems.
DNSSEC Validation Failed
Debug validation failures and understand why resolvers reject your DNS responses.
Read ArticleDNSSEC Misconfigured
Common configuration mistakes and how to identify and correct them.
Read ArticleSERVFAIL DNSSEC Errors
When DNS queries return SERVFAIL due to DNSSEC issues, here's how to fix it.
Read ArticleDNSSEC Breaking Your Site
Emergency guide: your site is down because of DNSSEC. What to do now.
Read ArticleVerification and Testing
Validate your DNSSEC configuration and understand test results.
Check If Domain Uses DNSSEC
Multiple methods to verify whether a domain has DNSSEC enabled.
Read ArticleDNSSEC Test Results Meaning
Interpret output from DNSSEC analyzers like DNSViz and Verisign Labs.
Read Article