What this checks
- Format. The address is written correctly.
- Typos. Common slips like gmial.com or yahoo.con.
- Mail server. The domain has MX records and can receive email.
- Disposable inboxes. Throwaway addresses that expire.
- Role addresses. Shared inboxes like info@ or sales@.
Checks run in your browser. We don't store the emails you paste. The domain lookup goes to Cloudflare's public DNS.
Clean lists, built for you
Crwl builds lead lists from one sentence and verifies every email before you see it. Your first 50 leads are free.