Security Tools

🔍 DNS Lookup & Email Security

Query DNS records in real time via Cloudflare (DoH) or analyze the domain email security posture: SPF, DKIM, DMARC, DNSSEC and CAA with a verdict. Nothing passes through our server. What is each record type? DNS record types reference.

Quick:

⚡ Queries via Cloudflare DNS (1.1.1.1) directly from your browser.

Frequently asked questions

Which records does it query?
A, AAAA, MX, TXT, NS, CNAME, SOA and more, with an option to request them all at once and see the DNSSEC flag.
Does it analyze email security?
Yes, it has a mode that evaluates a domain SPF, DMARC, DKIM, DNSSEC and MX and gives it an A–F grade.
How does it resolve queries?
It uses DNS over HTTPS (Cloudflare) from your browser, so you see what a public resolver would see.