Domain reputation, catch-all detection, bounce risk — free. No signup. No credit card.
No signup required · Instant results · 5 free checks
Sign up for 500 free credits and full SMTP verification — SAFE, PROTECTED, RISKY and DEAD classification on every address.
Get 500 Free Credits →Domain-level intelligence on any address — instantly, with no account.
MX records, mail server detection, and provider identification (SPF / DMARC / DKIM gaps).
Identifies domains that accept all mail — the addresses most likely to silently bounce.
A 0–100 confidence score on deliverability, so you know what's safe to send.
The free checker runs domain-level checks. Full SMTP verification (SAFE / PROTECTED / RISKY / DEAD) needs an account — 500 credits free on signup.
Get 500 Free Credits