Free Security Scanners

Validate SPF records, mechanisms, and lookup counts.

Inspect DKIM selectors, key length, and rotation health.

Analyze DMARC policy, alignment, and reporting posture.

Reveal every mail exchanger and detect misrouted flow.

Parse raw headers to trace hops, auth results, and delays.

A, AAAA, CNAME, TXT, NS, SOA and DNSSEC in one pass.

Registrar, registration age, and nameserver history.

Chain of trust, expiry, ciphers, TLS versions and HSTS.

Check IP / domain against 80+ email RBLs and DNSBLs.

AI risk score for suspicious links, redirects, and payloads.

See if a domain's mailboxes appear in known breach corpora.

Generate & score domains impersonating your brand.