BIMI check
Free, no account. Confirms your BIMI DNS record, fetches the SVG, and flags the things Gmail's renderer cares about (size ≤ 32 KB, content-type, VMC, DMARC enforcement reminder).
Keep hardening your email
Each record is one layer. Check the rest of yours — every tool is free, no account.
Email security scan
Run all 8 checks at once
SPF builder
Assemble a clean SPF record
SPF analyzer
Count your real DNS lookups
DMARC generator
Build a v=DMARC1 record
DMARC validator
Grade a record you have
DMARC report analyzer
Read a rua= XML report
DKIM validator
Check a DKIM key
Header analyzer
Trace a suspicious email
Blocklist checker
Are you on a DNSBL?
MTA-STS
Force TLS on inbound mail
TLS-RPT
Get TLS failure reports
DMARC visibility
Ingest your rua= reports
Continuous monitoring
Catch record drift on a schedule