How to use Email Verifier (Email Hippo)
- Give Email Verifier (Email Hippo) an email address or domain to work with.
- Run it, and Email Verifier (Email Hippo) issues the DNS lookups directly from your browser.
- Review the result, which Email Verifier (Email Hippo) fetches live from a public DNS resolver.
About this tool
There is no server of ours behind Email Verifier (Email Hippo). Email Verifier (Email Hippo) inspects the DNS-level deliverability signals for a domain directly from your browser.
The MX, SPF and DMARC lookups are real DNS-over-HTTPS queries, not guesses. The MX, SPF and DMARC checks are DNS queries sent from your browser to a public resolver; this site has no backend and never sees them, and a connection is required.
Frequently asked questions
What does Email Verifier (Email Hippo) do?
Email Verifier (Email Hippo) validates the address format and checks the domain's MX, SPF and DMARC records via DNS from your browser.
Does Email Verifier (Email Hippo) cost anything?
No — Email Verifier (Email Hippo) is completely free, with no sign-up and no hidden limits.
Where does Email Verifier (Email Hippo) run its checks?
Email Verifier (Email Hippo) runs DNS lookups (MX, SPF, DMARC) from your browser against a public DNS-over-HTTPS resolver. This site has no backend and never sees them; the public resolver does.
Can Email Verifier (Email Hippo) confirm a mailbox really exists?
Email Verifier (Email Hippo) checks address syntax and the domain's MX, SPF and DMARC via DNS-over-HTTPS; proving a live mailbox needs to send mail, which a browser cannot do.