Key Capabilities & Features
dnsfyi combines high-speed global Anycast DNS queries with comprehensive security auditing into a unified diagnostic suite.
- • RFC 7208 §4.6.4 lookup mechanism evaluation and counting breakdown
- • Void lookup limit rules and negative DNS response mitigation
- • SPF flattening strategies vs subdomain delegation best practices
- • CIDR block consolidation for on-premise and cloud mail relays
- • Immediate verification with the live dnsfyi SPF validator