Email Toolkit
8 toolsEmail deliverability and authentication checks — DKIM lookups, disposable-address detection, and validation/extraction utilities for email addresses.
BIMI Checker
emailCheck a domain’s BIMI record, validate the SVG Tiny PS logo and Verified Mark Certificate, and confirm the DMARC policy lets inboxes show the logo.
DKIM Checker
emailCheck 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.
Disposable Email Checker
emailCheck whether an email address uses a known disposable or temporary-mail domain. Free, instant check with no signup required.
Email Extractor
emailPull every email address out of pasted text, log files, or HTML, deduplicated and ready to copy. Free, instant, all in your browser.
Email Header Analyzer
emailAnalyze raw email headers: trace the delivery path and delays, check SPF, DKIM, and DMARC results, and spot phishing signs. Runs in your browser.
Email Validator
emailCheck an email address's syntax and confirm its domain has mail servers configured to receive mail. Free, instant, no signup required.
MTA-STS Checker
emailValidate a domain’s MTA-STS record and policy file, check that every MX host is covered, and confirm TLS-RPT reporting is set up for encrypted mail.
Mail Tester
emailRun 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.