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Email Security tools

SPF, DKIM, DMARC, MX

SPF Record Checker

Fetch and parse SPF (Sender Policy Framework) records for a domain to validate email security.

Email#spf#email

DKIM Record Checker

Verify DKIM DNS records. Domain + selector → TXT lookup and parse.

Email#dkim#email

DMARC Record Checker

Verify DMARC DNS records. Policy, RUA, RUF, alignment.

Email#dmarc#email

MX Record Lookup

Check mail server (MX) records. Priority order.

Email Validator

Validate email format and check MX records. Verify if domain accepts mail.

Email#email#validate

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Web Security SSL/TLS DNS & Domains Auth & Tokens Crypto & Encoding Developer Utilities Passwords