Last updated: July 2026.
Idiot Email Tools is designed around a simple principle: the content you type into our tools (email addresses, headers, message copy, contact lists) is processed locally in your browser using JavaScript and is not transmitted to or stored on our servers. Two tools — the MX Record Lookup, and the domain check inside the Email Deliverability Tester — send the domain you enter to a public third-party DNS-over-HTTPS resolver in order to fetch live DNS records; this is standard for any DNS lookup tool and is limited to the domain name itself, not any full email address or personal data.
Like most websites, we may use cookies and similar technologies for basic analytics (to understand which tools are used and improve the site) and may display advertising through Google AdSense, which can use cookies to serve relevant ads. You can control cookies through your browser settings. We do not sell personal information.
This site does not require an account or collect email addresses from visitors for marketing purposes. If you contact us directly via email, we'll use your message only to respond to your inquiry.
If you have questions about this policy, contact us at hello@idiottools.com.