Is your email domainactually secure?
Scammers can send emails pretending to be from your business — no warning, no opt-in. Most owners don't find out until a client gets fooled. Check if your domain is exposed, free, in 30 seconds.
Most use spoofed or lookalike domains with no DMARC enforcement.
Email is the primary vector for ransomware, BEC, and credential theft.
Business email compromise is the highest-loss cybercrime category, per FBI IC3.
Free Email Security Tools
Checkers validate your live DNS. Generators build records you can paste straight into DNS.
Checkers
SPF Checker
Validate mechanisms, lookup counts, and enforcement strength.
DKIM Validator
Detect signing keys across 22+ common selectors.
DMARC Scorer
Analyse policy enforcement, alignment, and reporting.
Blacklist Check
Scan 12 major DNSBL zones for your IPs and domain.
Security Score
Get a single 0–100 grade across all checks instantly.
Header Analyzer
Decode authentication results and trace the full message route.
Generators
SPF Generator
Build a correct SPF record — select providers, add IPs, set enforcement.
DMARC Generator
Create your DMARC policy with reporting addresses and alignment settings.
DKIM Generator
Format your DKIM public key as a ready-to-publish DNS TXT record.
MTA-STS Generator
Generate the policy file and DNS record to enforce TLS on inbound email.
Email Security Report
acme-corp.com