产品
Free email authentication checker for course and coaching domains. Test SPF, DKIM, DMARC and MX in your browser. Nothing is stored. A free, client-side email authentication checker for course creators and coaches. Check …
Free email authentication checker for course and coaching domains. Test SPF, DKIM, DMARC and MX in your browser. Nothing is stored. A free, client-side email authentication checker for course creators and coaches. Check public SPF, DKIM, DMARC and MX records, get plain-English explanations, and investigate common setup issues before your next broadcast. No sign-up or email address required.
讨论这个产品