Email Trust Radar
Protect domain reputation and ensure email deliverability. Diagnose SPF lookup limits, cryptographic DKIM keys, DMARC enforcement policies, and BIMI brand logos.
10-Lookup Limit Enforcement
Recursively counts DNS queries for included SPF records to prevent PermError delivery failures.
Key Length & Validity
Verify public key size (1024/2048-bit), algorithm types, and DNS selector alignment.
Spoof Enforcement Status
Audit p=none vs p=quarantine vs p=reject policies, RUA reporting, and alignment modes.
Verified Mark Seal
Inspect SVG logo format compliance and VMC certificate status for inbox brand logos.
Threat Mitigation Guides
Phishing Defense Fundamentals
Core guidelines to recognize threat structures, spear attacks, and malicious payloads.
DMARC Security Enforcement
Secure your sender domain reputation and prevent spoofing with reject policies.
IDN Homograph Mitigations
How Unicode mixing and Punycode spoofing are processed by core browser clients.
Help Center & FAQ
Comprehensive answers to common security queries regarding safe domains and scanner latency.