MX records, mail provider, SPF and DMARC — live from a real probe. No signup.
No signup required · Instant results · Domain-level check
Everything that decides whether a domain can send and receive mail.
The mail servers responsible for receiving email for the domain.
Detected from the MX hosts — Google Workspace, Microsoft 365, or other.
Whether the domain authorizes its senders against spoofing.
none, quarantine, or reject — the domain's enforcement level.
Whether mail servers are present and able to accept connections.
Authentication gaps that can hurt inbox placement before you send.
The SMTP test runs domain-level checks. Full mailbox verification (SAFE / PROTECTED / RISKY / DEAD) needs an account — 500 credits free on signup.
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