Email Toolkit
5 toolsEmail deliverability and authentication checks — DKIM lookups, disposable-address detection, and validation/extraction utilities for email addresses.
DKIM Checker
Check whether a domain publishes a DKIM record for a given selector and see its exact contents. Free, fast DKIM record lookup with no signup required.
Open toolDisposable Email Checker
Check whether an email address uses a known disposable or temporary-mail domain. Free, instant check with no signup required.
Open toolEmail Extractor
Pull every email address out of pasted text, log files, or HTML, deduplicated and ready to copy. Free, instant, all in your browser.
Open toolEmail Validator
Check an email address's syntax and confirm its domain has mail servers configured to receive mail. Free, instant, no signup required.
Open toolMail Tester
Run MX, SPF, DMARC, and (optionally) DKIM checks on a domain in one pass and get a plain-language pass/fail report. Free, instant, no signup required.
Open tool