Key Capabilities & Features
dnsfyi combines high-speed global Anycast DNS queries with comprehensive security auditing into a unified diagnostic suite.
- • Root CA, Intermediate CA, and Leaf certificate hierarchy breakdown
- • Fixing UNABLE_TO_VERIFY_LEAF_SIGNATURE and CERT_HAS_EXPIRED in Node.js/Python
- • Proper fullchain.pem concatenation order and Nginx configuration
- • OCSP Stapling setup and TLS 1.3 cipher suite optimization
- • Live SSL certificate chain testing and expiration tracking with dnsfyi