Validate deliverability and enrich domain, website and RDAP clues for trade outreach
Disclaimer: Results are for reference only and do not constitute legal, tax or customs advice. Always verify rates and rules with official sources.
Enter a business or personal email. We check format, MX/SPF/DMARC, SMTP acceptance, fetch the domain homepage, and RDAP registration hints—then give search links for deeper manual research.
No. We never access mailbox content—only public DNS/SMTP/web/RDAP signals.
Many servers hide mailbox existence (catch-all, greylisting, or blocked port 25). Domain can still receive mail.