Email checker
Is this address real and deliverable?
Verify any single email address with syntax, MX, SMTP and catch-all checks. The answer comes from the receiving mail server itself — nothing is sent to the mailbox.
Open toolDisposable email checker
Is this a throwaway mailbox?
Match an address against 12,000+ known temp-mail domains and their MX hosts. Built for blocking fake signups at registration.
Open toolDNS & mail server health checker
Is this domain configured to send and receive?
Audit MX, SPF, DMARC and DKIM records for any domain in one pass, with plain-English findings for whatever is missing or malformed.
Open toolEmail extractor
Pull every address out of a blob of text.
Paste anything — a page, a spreadsheet column, a chat log — and get a clean, de-duplicated list of the email addresses inside it.
Open toolSPF record generator
Build a valid SPF record.
Pick your sending services and get a correct SPF TXT record, without hand-writing include mechanisms or blowing the ten-lookup limit.
Open toolDMARC record generator
Set a DMARC policy you understand.
Generate a DMARC TXT record with the right policy, alignment and reporting addresses — and an explanation of what each tag does to your mail.
Open toolEmail provider directory
Who actually hosts this domain's mail?
Look up which provider sits behind a domain's MX records, and browse the directory of mailbox, gateway and relay providers we've catalogued.
Open tool§ BEYOND ONE ADDRESS
Clean the whole list.
The free tools handle one thing at a time. A BounceCheck account verifies entire files and exposes the same engine over an API. 50 verifications a month, free, no card.
Start for free