Free email tools.
Check how a domain authenticates its email, or build a template to send.
- Email authentication checkerCheck SPF, DKIM, DMARC, and BIMI for a domain at once.
- MX lookupSee which mail servers receive email for a domain.
- SPF checkerRead and validate a domain's SPF record.
- DKIM checkerLook up a DKIM key by selector, or scan for common selectors.
- DMARC checkerRead a domain's DMARC policy and what it asks receivers to do.
- BIMI checkerCheck a BIMI record and its logo.
- AI email editorBuild an email template with AI, no account needed to start.
Related Resources
- FeatureEmail authentication checkerInspect MX, SPF, DKIM, DMARC, and BIMI records for a domain.
- FeatureMX lookupLook up a domain's MX records and the mail hosts that receive its email.
- FeatureSPF checkerCheck a domain's SPF record and lookup limits.
- FeatureDKIM checkerInspect a domain's DKIM selector and signing record.
- FeatureDMARC checkerCheck a domain's DMARC record, policy, and alignment.
- FeatureBIMI checkerCheck a domain's BIMI record and supporting evidence.
- FeatureAI email editorBuild email templates with AI, then send through the API.