Email Privacy Tools

Check the mail exchange records for any domain and see which servers receive its email.

Find and review the SPF TXT record that tells receivers which servers may send mail for a domain.

Check a domain's DMARC TXT record and review its policy, reporting, and alignment settings.

Lookup a DKIM selector and domain to confirm whether the public signing key is published in DNS.

Paste raw email headers to inspect routing hops, authentication results, message IDs, and sender details locally in your browser.

Check whether a domain or email address appears on the public disposable-email blocklist, and verify with a live DNS lookup whether it can actually receive mail.